
Harvesters & Farm Equipment
This section is for machines whose busiest service season coincides with the busiest production season. Use it to organize the next service decision, understand which questions belong to which component, and move from a broad equipment category to the exact product information you need. The links below lead to more focused guides and the product catalog.
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Diesel maintenance learning library
Use these lessons to understand a choice before comparing products.
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Agricultural Service Contractors
Read the guide →
Agricultural Support Fleets
Read the guide →
Combines
Read the guide →
Custom Harvesting Businesses
Read the guide →
Fertilizer Application Equipment
Read the guide →
Field Service Equipment
Read the guide →
Forage Harvesters
Read the guide →
Grain And Row Crop Farms
Read the guide →
Hay And Forage Producers
Read the guide →
Specialty Crop Harvesters
Read the guide →
Sprayers
Read the guide →
Vegetable And Specialty Crop Farms
Read the guide →Prepare the machine before the harvest window
Combines, forage harvesters, sprayers and support equipment create a planning challenge: the easiest time to organize service materials is often before the equipment is urgently needed. Use the pre-season review to confirm machine identities, fluid requirements and what changed since the last campaign. An attachment or replacement component may add a separate instruction.
Think about a harvesting business preparing several units before a narrow period of field demand. Before making a shopping list, write the equipment identification and the intended task on the same sheet. A familiar product name can feel like a shortcut, but a shortcut is only useful after the application has been confirmed. If the machine is new to you, treat its previous service history as something to establish, not something the appearance of the equipment proves. Ask for records and compare them with the current manufacturer information.
For this category, a sensible component review can include engine oil, hydraulic and transmission fluids, gear lubricants, grease and filtration. That is an inventory prompt rather than a universal product prescription. Check which systems are actually present, how they are identified and where their requirements are documented. A service checklist becomes more useful when it says what receives the fluid, what specification is required and how much the task needs, instead of saying only to buy oil.
Make a pre-season kit list by machine rather than building one mixed pile of filters and containers. Label each kit with the unit number and check quantities against the current service document before the rush begins.
Let the work pattern inform your questions
Useful notes for harvesters & farm equipment include hours during peak use, seasonal service dates, shared implements and support-fleet activity. These observations describe the application; they do not independently establish a new drain interval. Keep them beside the manufacturer’s service guidance so a change in work can prompt a review of the appropriate schedule. For example, record when an asset moves to a different task rather than assuming its old maintenance plan still reflects the way it is being used.
For machines whose busiest service season coincides with the busiest production season, keep each applicable mileage, hour and calendar limit visible. Record hours during peak use, seasonal service dates, shared implements and support-fleet activity. Those notes help you ask better questions about the correct schedule; they do not establish replacement limits. Enter confirmed guidance into a planner and review the result whenever the work pattern changes.
Separate viscosity from application approval
Use the exact requirement for the component before comparing products in the harvesters & farm equipment catalog. Viscosity describes one aspect of lubricant behavior, while performance requirements and manufacturer-specific instructions answer other questions. Two containers with similar-looking viscosity labels need not be interchangeable. Check current product information for the stated application and ask for technical guidance when the relationship is uncertain. A product category is a way to browse, not evidence that every listing fits every machine in that category.
Complete the harvesters & farm equipment order with verified fitted parts. Keep the exact filter reference alongside the equipment identity, and confirm the current fitment information before purchasing. Check whether the listed package is one unit or a case. Retain the stock number so the next order begins with a traceable reference.
Grease points and engine oil solve different problems
An engine circulates oil through a designed lubrication system. A grease point typically receives a measured supply at a specific location, and the machine’s instructions determine the grease and service method. Buying excellent engine oil does not address a neglected bearing, joint or driveline point elsewhere on a harvesting machine.
Build the lubrication map before the busy season. Identify access points, fittings and the required product for each location, then follow the specified quantity and method. More grease is not automatically a better service. Keep dirty tools and damaged fittings from turning lubrication into a contamination event. The goal is the right lubricant delivered correctly to the point that needs it.
Compare two plans on equal terms
A fair cost comparison for machines whose busiest service season coincides with the busiest production season starts with an equivalent task. Price the required quantity, appropriate fitted parts and labor actually paid. Keep engine oil, hydraulic and transmission fluids, gear lubricants, grease and filtration as separate budget lines where relevant. Use the calculator to explore your own assumptions; it does not establish fuel savings, avoided failures or permission to lengthen service.
This is especially useful for a harvesting business preparing several units before a narrow period of field demand. A lower price per container can still produce an unhelpful order if it brings the wrong package, unnecessary stock or a product that does not meet the requirement. Estimate expected consumption, check available storage and plan a reorder point around actual use. Decide whether personal purchasing, company equipment use, storefront resale or installation work describes the transaction, then compare the appropriate account options before completing registration.
Prepare a question that can be answered
Choose a more focused guide that matches machines whose busiest service season coincides with the busiest production season. Take the equipment identity, component requirement and current service document into the next step. Describe a harvesting business preparing several units before a narrow period of field demand when requesting advice. That concrete description gives a technical specialist a useful starting point and helps keep a general product discussion tied to an actual application.
The aim of this section is to make harvesters & farm equipment maintenance easier to understand and organize. Product links are browsing routes, not blanket recommendations. Use current manufacturer guidance, the official product documents and qualified technical support together. Keep the final decision in a form that another person can follow later: what was selected, why it matched the requirement and when the next review is due. That record is useful long after the initial shopping comparison has been forgotten.
Maintenance products to explore for Harvesters Farm Equipment
These cards cover lubrication and maintenance product types for the engines, components and supporting equipment discussed on this page. Compare alternatives against your exact application; a vehicle-type label alone does not establish fitment.
Start with the job. Confirm the exact application.
Possible application: these are product types to investigate for this vehicle or equipment group. The cards do not confirm compatibility with your individual machine.
Verified fitment: requires a match to your exact year, make, model, engine and installed component in a current application guide or manufacturer documentation. No card on this page is labeled as verified fitment.
Before ordering, identify the component, compare its required lubricant specification and viscosity or exact filter part number, and check capacity and service instructions. For modified equipment, identify the components actually installed.
77 products and 20 filter families to explore. Cards link to product details and available package choices.
Showing all product cards
Compare the product category before choosing a card
Use these guides to compare product families and requirements. Your exact engine or component still controls selection.
No matching products in this guide. Try a broader name or product code.
Change engine oil
Diesel Oil
Engine-oil alternatives: compare the exact viscosity, emissions-system requirements and performance specification. These grades are alternatives, not a list to use together.
Possible application — verify requirements

AMSOIL Signature Series 15W-40 100% Synthetic Max-Duty Diesel Oil
Product Code : DMEQT-EA
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AMSOIL Signature Series 5W-40 100% Synthetic Max-Duty Diesel Oil
Product Code : DEOQT-EA
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AMSOIL Signature Series 0W-40 100% Synthetic Max-Duty Diesel Oil
Product Code : DZFQT-EA
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AMSOIL Signature Series 5W-30 100% Synthetic Max-Duty Diesel Oil
Product Code : DHDQT-EA
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AMSOIL Signature Series 10W-30 100% Synthetic Max-Duty Diesel Oil
Product Code : DTTQT-EA
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AMSOIL 15W-40 Heavy-Duty 100% Synthetic Diesel Oil
Product Code : ADPQT-EA
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AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil
Product Code : ADOQT-EA
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AMSOIL 10W-30 Heavy-Duty 100% Synthetic Diesel Oil
Product Code : ADNQT-EA
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AMSOIL 0W-20 100% Synthetic Diesel Oil
Product Code : DP020QT-EA
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AMSOIL 5W-30 100% Synthetic Diesel Oil
Product Code : DP530QT-EA
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AMSOIL 15W-40 Heavy-Duty Diesel and Marine Oil
Product Code : AMEQT-EA
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Freedom Series 5W-40 100% Synthetic Diesel Oil
Product Code : FD540QT-EA
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Freedom Series 10W-30 100% Synthetic Diesel Oil
Product Code : FD1030QT-EA
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VIEW DETAILSPossible application — verify requirements

Freedom Series 15W-40 100% Synthetic Diesel Oil
Product Code : FD1540QT-EA
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AMSOIL 15W-40 Commercial Grade Diesel Oil
Product Code : SBDF1G-EA
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AMSOIL 10W-30 Commercial-Grade Diesel Oil
Product Code : SBDT1G-EA
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VIEW DETAILSReplace filters
Filters
Select the exact part number using the equipment details and current application guide.
Possible application — verify requirements

Filter Wrench (76 mm) — GA251
Product Code : GA251-EA
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VIEW DETAILSPossible application — verify requirements

Filter Wrench (93 mm) — GA252
Product Code : GA252-EA
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VIEW DETAILSPossible application — verify requirements

Filter Wrench (74 mm) — GA258
Product Code : GA258-EA
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VIEW DETAILSPossible application — verify requirements

Filter Wrench (64 mm) — GA248
Product Code : GA248-EA
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Filter Wrench (65-67 MM) — GA255
Product Code : GA255-EA
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VIEW DETAILSOil, air, fuel and component filter families
Browse the families offered through AMSOIL. A family card is a route to application choices, not confirmation that any particular filter fits. Use the current lookup before ordering.
Possible application — verify requirements
AMSOIL Oil Filter
41 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

AMSOIL Heavy-Duty Oil Filter
5 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

AMSOIL SDF88 Oil Filter
1 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

WIX XP Oil Filter
11 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

WIX Oil Filter
155 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

Donaldson Blue Oil Filter
11 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements
Donaldson P-Series Lube Filter
61 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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WIX Air Filter
112 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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Donaldson Blue Heavy Duty Air Filters
6 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

Donaldson P-Series Heavy Duty Air Filters
31 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

AMSOIL Bypass Oil Filter
1 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements
WIX Bypass Oil Filter
1 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

WIX Cabin Air Filters
25 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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Donaldson P-Series Heavy Duty Coolant Filters
3 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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WIX Crankcase Filter
1 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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WIX Fuel Filters
30 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

Donaldson P-Series Heavy Duty Fuel Filters
65 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSPossible application — verify requirements

Donaldson P-Series Heavy-Duty Hydraulic Filters
16 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
SEE PRODUCT OPTIONS
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WIX Transmission Filter
24 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
SEE PRODUCT OPTIONS
VIEW DETAILSPossible application — verify requirements

Donaldson P-Series Transmission Filters
1 part-number choices · Verify application
Product-family example shown. Select the correct part number for your equipment.
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VIEW DETAILSService hydraulic systems
Hydraulic Oil
For a hydraulic or tractor transmission system requiring the stated specification. Industrial hydraulic oil and tractor hydraulic/transmission fluid are different product types.
Possible application — verify requirements

AMSOIL 5W-30 100% Synthetic Tractor Hydraulic/Transmission Oil
Product Code : ATHQT-EA
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AMSOIL ISO 22 100% Synthetic Anti-Wear Hydraulic Oil
Product Code : AWG05-EA
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AMSOIL ISO 32 100% Synthetic Anti-Wear Hydraulic Oil
Product Code : AWH05-EA
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AMSOIL ISO 46 100% Synthetic Anti-Wear Hydraulic Oil
Product Code : AWI05-EA
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AMSOIL ISO 22 100% Synthetic Multi-Viscosity Hydraulic Oil
Product Code : HVG05-EA
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AMSOIL ISO 32 100% Synthetic Multi-Viscosity Hydraulic Oil
Product Code : HVH05-EA
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AMSOIL ISO 46 100% Synthetic Multi-Viscosity Hydraulic Oil
Product Code : HVI05-EA
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AMSOIL ISO 68 100% Synthetic Multi-Viscosity Hydraulic Oil
Product Code : HVJ05-EA
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AMSOIL ISO 32 Commercial-Grade Hydraulic Oil
Product Code : HCG32TP-EA
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VIEW DETAILSPossible application — verify requirements

AMSOIL ISO 46 Commercial-Grade Hydraulic Oil
Product Code : HCG46TP-EA
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AMSOIL ISO 68 Commercial-Grade Hydraulic Oil
Product Code : HCG68TP-EA
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VIEW DETAILSPossible application — verify requirements

AMSOIL Commercial-Grade Tractor Hydraulic-Transmission Oil
Product Code : TCGSBTP-EA
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AMSOIL ISO 46 100% Synthetic Biodegradable Hydraulic Oil
Product Code : BHO05-EA
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VIEW DETAILSLubricate grease points
Grease
Choose by the grease point, load, speed, exposure and existing lubricant compatibility. Specialty greases apply only where specified.
Possible application — verify requirements

AMSOIL Synthetic Multi-Purpose Grease
Product Code : GLCCR-EA
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AMSOIL Synthetic Water-Resistant Grease
Product Code : GWRCR-EA
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AMSOIL NLGI #1 Synthetic Polymeric Truck, Chassis and Equipment Grease
Product Code : GPTR1CR-EA
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AMSOIL NLGI #2 Synthetic Polymeric Truck, Chassis and Equipment Grease
Product Code : GPTR2CR-EA
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AMSOIL NLGI #1 Synthetic Polymeric Off-Road Grease
Product Code : GPOR1CR-EA
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AMSOIL NLGI #2 Synthetic Polymeric Off-Road Grease
Product Code : GPOR2CR-EA
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AMSOIL Synthetic High-Viscosity Lithium-Complex Grease
Product Code : GVCCR-EA
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AMSOIL Synthetic EP #00 Grease
Product Code : GSF35-EA
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VIEW DETAILSPossible application — verify requirements

AMSOIL Spray Grease
Product Code : GSPSC-EA
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VIEW DETAILSService transmissions and axles
Transmission Fluid
For the transmission or related drive actually installed. Automatic, manual, dual-clutch, powershift and hydrostatic fluids serve different applications.
Possible application — verify requirements

AMSOIL SAE 10W 100% Synthetic Powershift Transmission Fluid
Product Code : CTG05-EA
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AMSOIL SAE 30 100% Synthetic Powershift Transmission Fluid
Product Code : CTJ05-EA
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AMSOIL SAE 50 100% Synthetic Powershift Transmission Fluid
Product Code : CTL05-EA
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AMSOIL SAE 50 Long Life 100% Synthetic Transmission Oil
Product Code : FTF1G-EA
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AMSOIL 20W-50 100% Synthetic Hydrostatic Transmission Fluid
Product Code : AHFQT-EA
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VIEW DETAILSGear Oil
For fitted axles, reduction drives or gearboxes that specify this fluid type. Check viscosity and friction requirements.
Possible application — verify requirements

AMSOIL SEVERE GEAR 75W-90 100% Synthetic Gear Lube
Product Code : SVGPK-EA
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AMSOIL SEVERE GEAR 75W-85 100% Synthetic Gear Lube
Product Code : SVLPK-EA
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AMSOIL SEVERE GEAR 75W-110 100% Synthetic Gear Lube
Product Code : SVTPK-EA
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AMSOIL SEVERE GEAR 75W-140 100% Synthetic Gear Lube
Product Code : SVOPK-EA
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AMSOIL SEVERE GEAR 80W-90 100% Synthetic Gear Lube
Product Code : AGLPK-EA
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AMSOIL 75W-90 Long Life 100% Synthetic Gear Lube
Product Code : FGRQT-EA
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AMSOIL 80W-140 Long Life 100% Synthetic Gear Lube
Product Code : FGO05-EA
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AMSOIL Slip Lock Differential Additive
Product Code : ADATB-EA
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VIEW DETAILSCare for diesel fuel
Fuel Additives
Diesel-fuel treatments for the purpose stated on each label. Follow the label and equipment guidance; additives do not replace repairs.
Possible application — verify requirements

AMSOIL Diesel 4-IN-1 Fuel Additive
Product Code : ADBPCN-EA
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AMSOIL Diesel Injector Clean Fuel Additive
Product Code : ADFPCN-EA
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AMSOIL Diesel Cetane Boost Fuel Additive
Product Code : ACBCN-EA
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AMSOIL Diesel Cold Flow Fuel Additive
Product Code : ADDCN-EA
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AMSOIL Diesel Recovery Fuel Treatment
Product Code : DRCQT-EA
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AMSOIL Diesel Injector Clean + Cetane Boost Fuel Additive
Product Code : ADSPCN-EA
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VIEW DETAILSService the cooling system
Antifreeze/Coolant
Match coolant chemistry and equipment requirements before mixing or filling.
Possible application — verify requirements

AMSOIL Propylene Glycol Antifreeze and Engine Coolant
Product Code : ANT1G-EA
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AMSOIL Heavy-Duty Antifreeze & Coolant
Product Code : ANTHD1G-EA
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VIEW DETAILSClean and protect
Cleaners & Protectants
Maintenance and protection products for label-approved components and surfaces.
Possible application — verify requirements

AMSOIL MP Metal Protector
Product Code : AMP4SC-EA
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AMSOIL Heavy-Duty Metal Protector
Product Code : AMHSC-EA
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AMSOIL Brake and Parts Cleaner
Product Code : BPCSC-EA
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AMSOIL Silicone Spray
Product Code : ALSSP-EA
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AMSOIL Mudslinger Mud and Dirt Repellent
Product Code : AMSSC-EA
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AMSOIL Glass Cleaner
Product Code : AGCSC-EA
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AMSOIL Engine Degreaser
Product Code : AEDSC-EA
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AMSOIL Heavy-Duty Degreaser
Product Code : ADGSC-EA
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AMSOIL Chain Lube
Product Code : ACLSC-EA
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AMSOIL Non-Chlorinated Brake and Parts Cleaner
Product Code : NCBCSC-EA
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VIEW DETAILSExplore optional bypass filtration
Bypass Oil Filtration Systems & Mounts
Optional aftermarket filtration systems. Verify engine, model-year and installation compatibility; a universal name does not mean a direct fit. Replacement parts must match the installed system.
Possible application — verify requirements

AMSOIL Universal Single-Remote Bypass System
Product Code : BMK21-EA
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VIEW DETAILSPossible application — verify requirements

AMSOIL Universal Dual-Remote Bypass System
Product Code : BMK23-EA
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AMSOIL DUAL-GARD Bypass System
Product Code : BMK22-EA
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Bypass system replacement parts & sampling accessories
52 catalog choices · Match the installed system
Choose replacement parts from the exact bypass kit instructions. Fittings, adapter sizes and sampling hardware are not universal.
SEE PRODUCT OPTIONS
VIEW DETAILSQuestions to take into your next service
Does every product listed in Harvesters & Farm Equipment fit my equipment?
No. The harvesters & farm equipment category is a browsing route. Match the individual machine, its component specification and any fitted part reference to current documentation before purchasing.
Can the planning tools set my maintenance interval?
Use the tools to explore confirmed inputs for harvesters & farm equipment. They illustrate timing or cost; they do not approve a new maintenance schedule or determine equipment compatibility.
A purchasing route that fits your use
Choose products for the equipment first, then compare purchasing options. If you maintain personal vehicles, explore Preferred Customer membership. If your company consumes products in its own equipment, review Commercial Account eligibility. Stores, installers and independent sales businesses have separate programs.
Explore AMSOIL Commercial Account →Compare all five accounts →For help, tell Kyle Holdridge the equipment, component, required specification and how it is used. That gives the conversation a clear starting point.
Ask Kyle ↗Learn from the original sources
- AMSOIL oil-analysis guidance ↗
- AMSOIL diesel oil service guidance ↗
- AMSOIL hydraulic oil selection guidance ↗
Source list compiled October 21, 2026. This date does not represent a new technical review of every claim. Planning examples explain a method; actual product requirements and service limits come from the exact equipment documentation.

AUTO
BIKE
ATV
UTV
SLED
BOAT
PWC
SEMI