The Mack Front Differential with Air Power Divider CRDPC92 3.87 Ratio or CRDPC92R387 is a front drive differential with a 3.87 ratio. The power divider shares driveline torque between the two axles of a tandem, and its inter-axle differential lets them turn at slightly different speeds. The air-operated lockout, controlled from the cab, ties the two axles together so power goes to both when traction is poor. A tired power divider tends to show up as unusual noise, heat at the divider and tire scrub.
When ordering, please tell us whether the input and output shafts are fine or coarse spline, whether the upper torque rod uses one tapered ball stud hole or a two-bolt dog bone style, whether the rear of the housing has bolt holes for a transverse rod mounting plate (the plate goes around the rear through shaft), and your axle spline count. This is a genuine Mack part from Pro Gear and Transmission.
A refundable core charge of $2,000.00 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 Front Differential with Air Power Divider
Ratio: 3.87
Tell us if the input and output shafts are fine or coarse spline
Upper torque rod uses one tapered ball stud hole or a two-bolt dog bone style
Optional transverse rod mounting plate fits around the rear through shaft
Tech Specs
- Ratio: 3.87
Additional Information
All differentials are sold exchange. Core charges will apply and may be refunded in whole or in part upon delivery and inspection. Unit will be subject to manufacturer's core policy unless otherwise stated in writing.Parts manual and diagrams: Mack CRDPC 92 / CRDPC 112 differential parts list with prices