The Mack CRD93 rear-rear differential, part number CRD93R386, carries a 3.86 gear ratio and is sold by Pro Gear and Transmission on an exchange basis. Before placing your order, confirm a few details with us: whether your input and output shafts have fine or coarse splines, whether your upper torque rod uses a single tapered ball stud hole or a two-bolt dog-bone style mount, whether the rear of your differential housing has four 3/4" bolt holes for a transverse rod mounting plate around the rear through-shaft, and what your axle spline count is. These details ensure the correct unit ships for your application. Call us to confirm fit before ordering.
A refundable core charge of $1,500.00 applies to this item and will be collected at checkout. The core charge is refunded upon receipt of your returned core, subject to its condition; customer is responsible for return shipping. Call us at (877) 776-4600 for details.
Features
Mack CRD93 rear-rear drive differential
3.86 gear ratio
Part number CRD93R386 or CRD93 3.86
Compatible with fine or coarse spline input and output shaft configurations - confirm before ordering
Upper torque rod mounting: single tapered ball stud or two-bolt dog-bone style - specify at time of order
Transverse rod mounting plate option: four 3/4" bolt holes in rear housing - verify your application
Tech Specs
- Ratio: 3.86
- Part Number: CRD93R386 or CRD93 3.86
- Position: Rear-Rear
- Input/Output Shaft Spline: Fine or coarse - specify at time of order
- Axle Spline Count: Confirm with application
- Upper Torque Rod Mount: Single tapered ball stud hole or two-bolt dog-bone style - specify at time of order
- Transverse Rod Mounting Plate: Four 3/4" bolt holes in rear housing (optional configuration) - verify application
