The John Deere Transmission Oil, Extreme‑Gard™ LS90, API GL‑5 Limited Slip – VC87939‑020 is a genuine OEM lubricant designed to provide reliable gear protection and smooth operation in transmissions, differential units, and other drivetrain components across a wide range of John Deere equipment. Built to John Deere specifications, this transmission oil helps reduce wear, resist thermal breakdown, and maintain system performance in demanding operating environments.

Formulated with high‑quality base oils and specialized additive technology, the Extreme‑Gard™ LS90 transmission oil offers excellent durability, oxidation resistance, and protection against heavy loads. Its API GL‑5 performance rating with limited slip additive ensures dependable lubrication and friction characteristics in applications that require extreme pressure protection and controlled slip performance.

Key Features

• Extreme Pressure Protection – Engineered to provide robust protection for gears and bearings under high load, shock, and stress conditions.

• API GL‑5 Performance – Meets API GL‑5 classification for severe service gear applications, offering effective lubrication in heavy duty machinery.

• Limited Slip Additive – Formulated to support limited slip differentials and reduce chatter while promoting smooth operation.

• High‑Quality Base Oils & Additives – Combines durable base oils with advanced additive packages for wear protection, thermal stability, and oxidation resistance.

• Wide‑Range Use – Suitable for mechanical transmissions, gearboxes, hypoid axles, and final drives in equipment requiring GL‑5 limited slip oil.

• OEM John Deere Quality – Engineered to meet original equipment standards, ensuring compatibility and reliable performance in John Deere machinery.

Ideal For

• Heavy‑load gear lubrication

• Transmissions and differentials with limited slip

• Maintenance and service of driveline components

• Replacement of worn or degraded transmission oil

Product Details

• Product Type: Transmission Oil

• Brand: John Deere

• Part Number: VC87939‑020

• Oil Family: Extreme‑Gard™ LS90

• API Rating: API GL‑5

• Volume: 20 Liter (5.28 Gallon)

• Packaging: Bucket

• Oil Type: Gear/Transmission Oil

• Application: Lubricant designed to protect mechanical transmissions, differential units, and hypoid axles requiring API GL‑5 limited slip gear oil.

Compatible John Deere Models

The John Deere VC87939‑020 Extreme‑Gard™ LS90 transmission oil is suitable for use in a wide range of agricultural, turf, construction, and industrial equipment applications where API GL‑5 limited slip gear oil is specified.

Tractors & Utility Equipment

• Selected Compact Tractors

• Utility Tractors

• Row‑Crop Tractors

Construction & Forestry Equipment

• Loaders

• Backhoes

• Skid Steers

• Excavators

(Compatibility may vary depending on machine model and service specification. Always consult the official John Deere parts and service catalogue before ordering.)

Why Choose the John Deere VC87939‑020 Transmission Oil

John Deere Extreme‑Gard™ LS90 transmission oil is designed to deliver dependable gear protection and long lubricant life in severe duty applications. Its API GL‑5 limited slip formulation helps promote controlled friction, wear resistance, and thermal stability, supporting reliable performance in demanding operating environments. Choosing genuine John Deere lubricants ensures correct specification, consistent quality, and optimal protection tailored to your equipment’s drivetrain systems.