Product Description
The REVMAX 478-701A is a high-performance rebuild kit engineered specifically for the 47RH transmission found behind the legendary 1994–1995 5.9L 12-valve Cummins. Built around upgraded GPZ performance clutches, this kit is designed to provide increased holding capacity, improved heat resistance, and greater durability compared to standard rebuild kits.
Whether you're restoring a stock work truck or building a mild performance 12-valve setup, this performance-focused overhaul package provides the clutch and steel upgrades serious diesel owners demand.
Key Features:
- GPZ high-performance friction clutches for improved holding power
- Performance-oriented clutch and steel configuration
- Designed specifically for hydraulic 47RH applications (non-electronic governor)
- Ideal for towing, daily driving, and mild performance builds
Typical Kit Components:
- GPZ friction clutch sets
- Matched steel plates
- Intermediate band
- Overhaul gaskets and seals
- Filter
- Bushings (application dependent)
Fitment:
- 1994–1995 Dodge Ram 2500 & 3500
- 5.9L 12-Valve Cummins Diesel
- 47RH 4-Speed Automatic Transmission
Note: This kit is for 47RH transmissions only. It is not compatible with later 47RE electronic units.
| Specifications for REVMAX 478-701A | |
|---|---|
| UPC | Contact CPP Diesel for current UPC verification |
| GTIN | Contact CPP Diesel for current GTIN verification |
| Shipping Info | Ships via standard ground service Final shipping weight and dimensions vary by packaging batch |
| Prop 65 | WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov |
FAQ
Is this kit for a 47RH or 47RE transmission?This kit is specifically designed for the 47RH hydraulic transmission used in 1994–1995 Dodge 5.9L Cummins trucks.
What makes GPZ clutches better than stock frictions?
GPZ clutches are engineered for improved heat resistance and higher torque capacity compared to basic OE-style friction materials, making them ideal for towing and mild performance builds.
Will this support upgraded injectors and mild power upgrades?
Yes. This performance rebuild kit is well suited for mild performance and towing applications. Higher horsepower builds may require additional hard part or valve body upgrades.
Does this include hard parts like drums or planetary sets?
No. This is a rebuild/overhaul kit including friction materials, steels, and related service components. Hard parts are sold separately if needed.
Is this a good option for towing?
Yes. The upgraded friction material and performance configuration make this a strong choice for work trucks and towing-focused 12-valve builds.
