Wear Protection
Helps protect engines, pumps, gears, bearings, pins and bushings under heavy loads.
Protection for Equipment That Works for a Living
Lubricants Designed for Heavy Loads and Long Days
Heavy equipment operates in dust, dirt, high pressure, long idle periods, cold starts and extreme heat. AMSOIL offers specialized lubricants for engines, hydraulic systems, final drives, bearings, grease points and diesel fuel systems to help keep equipment productive.
Why Better Lubrication Matters
Help Protect Your Equipment and Your Profit
Heat Resistance
Resists breakdown during digging, hauling, grading, harvesting and long operating hours.
Cold-Weather Flow
Supports faster circulation, easier hydraulic response and improved winter operation.
Productivity
Reliable lubrication helps support equipment life and reduce costly interruptions.
Featured Heavy-Equipment Products
Protect the Major Systems That Keep You Working
Equipment requirements vary by manufacturer, model, temperature and service. Confirm the correct viscosity and specification before ordering.
Diesel Engines
Max-Duty Synthetic Diesel Oil
Premium protection for excavators, loaders, dozers, tractors, trucks and other diesel equipment.
- Built for severe diesel service
- Excellent wear protection
- Strong temperature performance
- Multiple viscosities available
![AMSOIL HV Series Synthetic Hydraulic Oil for excavators and construction equipment](https://synthetic-pros.com/wp-content/uploads/2026/07/Synthetic-Multi-Viscosity-Hydraulic-Oil-ISO-46-5-Gallon-HVI05.jpg")
Hydraulic Systems
HV Series Synthetic Hydraulic Oil
All-season hydraulic protection for equipment working under pressure in changing temperatures.
- Helps reduce warm-up time
- Supports smooth hydraulic response
- Protects pumps and components
- ISO 22, 32, 46 and 68 options
Pins & Bearings
AMSOIL Synthetic Grease
Heavy-load lubrication for pins, bushings, loader arms, pivots, bearings and chassis points.
- Strong load-carrying protection
- Excellent adhesion
- Water-resistant options
- Built for severe environments
Diesel Fuel Systems
Diesel 4-in-1 Fuel Additive
All-season fuel treatment designed to clean, lubricate, improve cold flow and boost cetane.
- Helps clean injectors
- Improves fuel lubricity
- Supports cold-weather flow
- Boosts cetane performance
Equipment Applications
One Supplier for Multiple Machines
AMSOIL products are available for common construction, excavation, agriculture, hauling and property-maintenance equipment.
Excavators
Mini Excavators
Skid Steers
Compact Track Loaders
Bulldozers
Wheel Loaders
Backhoes
Graders
Dump Trucks
Tractors
Combines
Snow-Removal Equipment
Whole-Equipment Protection
More Than Diesel Engine Oil
A complete maintenance program protects every major system, not only the engine.
Drivetrains & Final Drives
AMSOIL gear lubes and transmission fluids help protect heavily loaded gears, bearings, axles and driveline components.
Cooling Systems
Heavy-duty coolant protects against corrosion, temperature extremes and cooling-system deposits.
Hydraulics & Attachments
Proper hydraulic fluid supports pumps, valves, cylinders and attachments under pressure and changing temperatures.
Buying for a Farm, Contractor or Equipment Fleet?
Qualifying businesses may purchase AMSOIL products through a Commercial Account. There are no contracts or inventory quotas to be an AMSOIL account. Also, AMSOIL accounts can earn discounts or co-op credit based on annual purchases, and they receive free standard ground shipping for order totals of $400 ($450 Can.) or more.This can be a good fit for excavation companies, farms, construction contractors, trucking operations and organizations that use products in their own equipment.
Business PurchasingProducts for use in your company's vehicles and equipment.
Heavy-Equipment Lubricant Questions
Frequently Asked Questions
Does AMSOIL make products for excavators and skid steers?
Yes. AMSOIL offers diesel engine oils, hydraulic oils, greases, gear lubes, coolants and diesel fuel additives for many construction and excavation applications.
How do I choose the correct hydraulic oil?
Match the required viscosity and equipment-manufacturer specification. Hydraulic-oil requirements can vary by model, temperature and system design.
Is synthetic oil beneficial in equipment used during winter?
Synthetic lubricants generally provide stronger low-temperature flow than comparable conventional products, which can support faster circulation, easier starting and improved hydraulic response.
Can a business buy AMSOIL at commercial pricing?
Qualifying businesses that purchase products for use in their own equipment may apply for an AMSOIL Commercial Account using the link on this page.
Does Synthetic Pros ship the products?
Orders are completed through AMSOIL using Synthetic Pros dealer code 30339782. AMSOIL processes and ships the products directly to the customer.
Keep Your Equipment Working
Shop AMSOIL diesel oil, hydraulic fluid, grease, gear lube, coolant and fuel additives for construction, excavation, agriculture and other heavy-equipment applications.