Description
Yukon Gear and Axle
Yukon Grizzly Locker for Dana 60 Axles, 40-Spline, 4.56 Ratio and Up
The Yukon Grizzly Locker is a heavy-duty, automatic mechanical locking differential engineered for Dana 60 axle applications using 40-spline shafts and gear ratios of 4.56 and numerically higher. Designed for extreme strength and reliability, the Grizzly Locker delivers full traction automatically under load and unlocks while coasting, providing consistent performance without electronics, wiring, or air systems.
Built to handle massive torque, oversized tires, and harsh off-road conditions, this locker is ideal for rock crawlers, competition rigs, and severe-duty off-road vehicles. Its simple, automatic operation makes it a dependable solution where durability and maximum traction are critical.
Key Features:
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Automatic mechanical locking differential
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Designed for Dana 60 axles with 40-spline shafts
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Compatible with gear ratios of 4.56 and numerically higher
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Automatically locks under power and unlocks while coasting
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No wiring, switches, or air systems required
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Built for extreme strength and severe-duty use
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Ideal for rock crawling, competition, and extreme off-road applications
Vehicle Fitment:
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Dana 60 axle applications with 40-spline shafts
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Gear ratios 4.56 and numerically higher
SKU: YGLD60-4-40






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