Keep Your Fleet Running. Keep Your Day Moving.

Oils, lubricants, and fuel treatments that work as hard as your equipment.

Why Conklin Vehicle Products?

Professional-grade protection for engines, hydraulics, and fleets that can’t afford downtime.

Oil Droplet

Parasynthetic Oils

Convoy® motor oils blend synthetic + conventional bases for longer drain intervals, cleaner engines, and less friction.

Oil barrel

Lubricants That Last

Rhino® grease, Gold Guard® gear lubes, and ATF-XTRA™ transmission fluid protect against heat, wear, and corrosion.

Fuel treatment

Fuel System Protection

 Diesel Plus®, Fuel Mate Plus®, and 4-Power® cleaners keep injectors and lines clean, improving mileage and uptime.

Performance • Value • Longevity

Every product is lab-tested and field-proven for extended service intervals — many verified through Conklin’s oil analysis program.

Diesel-Powered Equipment

Tractors, Combines, Skid Steers, Semis

  • Convoy® Motor Oils — engineered for high-load diesel engines, with premium additive systems for extended drain intervals.

  • 4Power-D® and Diesel Plus® — boosts cetane, cleans injectors, and helps prevent cold-weather gelling.  Lowers gel point as much as 35 F, Lowers cold filter plugging point as much as 22 F

  • Gold Guard® Gear Lubes — protects differentials, final drives, and gearboxes under extreme pressure.

  • Rhino® EP Grease — top-tier water-resistant grease for bearings, u-joints, and pins.

Gasoline-Powered Equipment

Pickups, UTVs, Service Vehicles

  • Convoy® Motor Oils — engineered for high-load diesel engines, with premium additive systems for extended drain intervals.

  • 4Power-G® and Fuel Mate Plus® — Minimizes harmful deposits, help prevent fuel varnishing between usage and in off-season storage of vehicles.

  • ATF-Xtra MS®  — premium automatic transmission fluid.  One fluid that meets multiple specifications.

  • Rhino® EP Grease — top-tier water-resistant grease for bearings, u-joints, and pins.

General Equipment Lubrication

Hydraulics, Transmissions, Gearboxes

  • Battalion® Parasynthetic Hydraulic Transmission Fluid — Extends drain intervals, warms up quickly in cold temps.  Provides excellent wear protection and reduces foaming.

  • Super Fluid® Hydraulic Transmission Fluid — Universal conventional fluid for tractor hydraulic systems. Use with Enduro® for the best protection..

  • Rhino® EP Grease & Rite-On® #2 Lithium Grease— adheres to metal, resists washout, and stays in place longer. Provides excellent pumpability.

  • Gold Guard Plus® (SAE 50, & 75W-90 and Top Spec® 80W-140  — full synthetic, extreme-pressure gear lubricants.

Small Engines & Shop

Mowers, Small Engines, Chainsaws, Shop Maintenance

  • Conklin 2-Cycle Oil — low-ash, smoke-reducing blend for trimmers, saws, and small engines.

  • 4-Power G® Fuel Cleaner, Fuel Mate Plus®  — prevents ethanol issues in stored fuel.

  • Brake & Parts Cleaner – Carb N’ Choke Cleaner – Rust Bomb® Super Penetrating Oil – Luboil® Multipurpose Lubricant – Power Mate Engine Degreaser

  • Citrus Care Hand Cleaner

REAL-WORLD NOTES FROM NEARBY

"Using TKO and Diesel Plus saved me over 10% on my fuel costs when working ground. I run Case IH tractors.".
Tim A.
North East Oklahoma
"Switching to Convoy and using 4-Power D and Diesel Plus saved me over $400 a trip hauling travel trailers from the manufacturer in Indiana to the dealer in in Oklahoma. I drive a Chevrolet 3500 with a Duramax..
Joseph D.
Bristow, OK

Jerad Noble Demonstrating Dike Temporary Radiator Stop Leak

Testimonial Disclaimer

These are individual experiences. Typical results vary by environment, management, and operation.

An Easy Place to Start

Three "Can" Treatement for your Pickup or Daily Drive

TKO Engine Oil Treatement

TKO engin oil treatment packaging

4-Power D or G Fuel System Cleaner

4-Power D fuel system cleaner packaging

Trans-Last ATF Conditioner

Trans-Last product container

Add all three and see how your milage improves!

General Product Disclaimer

Always follow label directions. Results vary based on environment, management, and conditions.

Oil Analysis: The Key to Extended Drain Intervals

Regular oil testing helps spot wear metals, fuel dilution, and additive breakdown before they cost you an engine.
Conklin’s prepaid analysis kits make it simple — send your sample, get a full lab report, and confidently extend service life.

pre-paid oil sample bottle
oil sample pump

As you approach your change interval, test first, then extend based on the test results.