The Eaton Detroit Locker electronically locking differential, part number 19977-010 or 19977010, fits Dana 44 axle applications including Dana M-44-IF, IFHD, and Wrangler Dana 44 variants. Designed for both front and rear axle positions, it accommodates a 30-spline axle shaft with a 1.31 in. shaft diameter and an 8.5 in. ring gear. Compatible gear ratios are 3.73 and numerically lower. Vehicle coverage spans International Harvester, Ford, and Jeep platforms including the Wrangler, Grand Cherokee, Cherokee, Liberty, Scrambler, Wagoneer, Scout I and II, and various half-ton and three-quarter-ton trucks and vans. This unit is suited for rock crawling, extreme off-road, trail use, and work truck or towing duty. A genuine Eaton Detroit Locker part, available from Pro Gear and Transmission. Call us to confirm proper fit for your specific axle configuration.
Features
Electronically locking differential for Dana 44 axle variants (including M-44-IF, IFHD, and Wrangler Dana 44)
30-spline axle shaft, 1.31 in. shaft diameter
8.5 in. ring gear size
Compatible with gear ratios of 3.73 and numerically lower
Front and rear axle fitment
Suited for rock crawl, extreme off-road, light trail, sand sports, and work truck or towing use
Tech Specs
- Ring Gear Ratio: 3.73 and numerically lower
- Differential Type: Electronically Locking
- Axle Description: Dana 44, Dana M-44-IF, IFHD, Various Dana 44, Wrangler Dana 44
- Axle Location: Front and Rear
- Gear Spline Tooth Count: 30
- Axle Shaft Diameter: 1.31 in.
- Ring Gear Size: 8.5 in.
- Vehicle Make: International Harvester, Ford, Jeep
- Vehicle Models: Scout I and II, Traveler, Metro Van, 4x4 Half-Ton Pickup, Three Quarter-Ton Truck, Van, SUV, Cherokee, Grand Cherokee, Liberty, Post Office Truck, Scrambler, Wagoneer, Wrangler
- Vehicle Usage: Off-Road: Rock Crawl, Off-Road: Light Trail / Sand Sports, Off-Road: Work Truck / Towing, Off-Road: Extreme Off-Road, On Road: Work Truck / Towing
