This manual provides detailed information on the service and repair of Fuller ® Transmissions.
This service manual provides detailed instructions for servicing and repairing the Fuller TRSM0525 heavy-duty transmission. It is divided into sections covering technical reference, removal and reassembly procedures, and optional components. The manual includes specifications for 10-speed and 15-speed models, lubrication guidelines, and maintenance intervals. It also features schematics and step-by-step instructions for components like shift bar housings and clutch assemblies. The document is intended for technicians performing complete disassembly or targeted repairs on specific parts.
| Model Designation | TRSM0525 |
|---|---|
| Transmission Type | Heavy Duty |
| Gear Ratios (10-Speed) | 1st: 9.96, 2nd: 7.63, 3rd: 5.90, 4th: 4.54, 5th: 3.57, 6th: 2.79, 7th: 2.14, 8th: 1.65, 9th: 1.27, 10th: 1.00 |
For highway use, change the transmission fluid every 250,000 miles for heavy-duty models and every 100,000 miles for mid-range models.
Recommended lubricants include Eaton® Roadranger® CD50 Transmission Fluid, Heavy Duty Engine Lubricant, or Mineral Gear Lubricant.
The oil should be filled to the level of the filler opening. One inch of oil level is approximately one gallon of oil.