Part of the Kubota Repair Manuals.
This is the Kubota workshop manual for the BX1880, BX2380 and BX2680 compact tractors and the RCK60B-23BX, RCK54-23BX, RCK48-18BX, RCK60D-26BX and RCK54D-26BX mower decks, a 436 page PDF built for D722, D902 and D1005 diesel service.
It carries the full mechanism and servicing detail: safety and specifications, tractor and mower identification, engine, transaxle with the hydrostatic transmission, front axle, steering, hydraulic system, electrical system with wiring diagrams, and the mower. You get troubleshooting, service specifications, tightening torques, and step by step disassembly and reassembly.
Buy once and download the PDF immediately. Open it on a phone, tablet or shop computer, or print only the sections you need for the job.
Complete the set for your BX1880–BX2680 Package
- Operator Manual: Kubota RCK60D-26BX, RCK54D-26BX Rotary Mower Operator Manual
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Identification, Tractor Identification, Checking Serial Number and Hour Meter, Cylinder Number, Checking Mower Identification, Lubricants, Fuel and Coolant, Bx Tractor | |
| Engine | Engine Body, Cylinder Block, Closed Breather, Half-Floating Head Cover, Piston, Piston Ring, Connecting Rod | |
| Transaxle | Traveling System, Hydrostatic Transmission, Oil Flow of Hydrostatic Transmission, Neutral Position, Forward Position, Reverse Position | |
| Front Axle | Front Wheel Alignment, Camber of Front Axle, Kingpin Angle of Front Axle, Caster of Front Axle, Toe-In of Front Axle, Troubleshooting | |
| Steering | Steering System, Hydraulic Circuit of Steering, Steering Controller, Control Valve, Metering Device | |
| Hydraulic System | Hydraulic Circuit, Hydraulic Pump, Control Valve | |
| Electrical System | Wiring Diagram of Bx Tractor, Electrical Connector Chart, Reading Electrical Circuit Diagrams, Electrical Wiring Chart Symbols, Layout of Connector Diagrams, Precautions on Handling Electrical Connectors, Starting System | |
| Mower | Power Transmission of Mower, Lifting Mechanism of Mower, Self-Balancer System of Mower, Troubleshooting, Servicing Specifications, Tightening Torques, Setting Up Mower [RCK48-18BX |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Front wheel bolt torque | 149.2 to 179.0 N⋅m (15.2 to 18.3 kgf⋅m) [110 to 132 lbf⋅ft] | p. 69 |
| Rear wheel bolt torque | 108.5 to 130.2 N⋅m (11.1 to 13.3 kgf⋅m) [80 to 96 lbf⋅ft] | p. 69 |
| Mower belt replacement | Replace if any damage found | p. 85 |
| Belt tension pulley greasing | Until grease overflows | p. 53 |
| Center pulley holder bolt and nut torque | 78 to 90 N⋅m (7.9 to 9.2 kgf⋅m) [58 to 66 lbf⋅ft] | p. 406 |
| Three spindle shafts greasing | Until grease overflows | p. 53 |
| Front tip and rear tip of blade difference | 0.0 to 5.0 mm (0.0 to 0.20 in.) | p. 405 |
| Left tip and right tip of blade difference | Less than 3 mm (0.12 in.) | p. 405 |
| Transmission oil filter replacement interval | Every 200 Hr | p. 57 |
| Transmission oil filter tightening | Tighten quickly until it contacts the mounting surface, then an additional 1/2 turn by hand only | p. 66 |
| RCK60B-23BX, RCK54-23BX, RCK48-18BX | ||
| Mower blade screw torque (RCK60B-23BX, RCK54-23BX, RCK48-18BX) | 98.0 to 117.6 N⋅m (10.0 to 12.0 kgf⋅m) [72.0 to 86.8 lbf⋅ft] | p. 84 |
| RCK54D-26BX, RCK60D-26BX | ||
| Mower blade screw torque (RCK54D-26BX, RCK60D-26BX) | 102.9 to 117.6 N⋅m (10.5 to 12.0 kgf⋅m) [75.9 to 86.8 lbf⋅ft] | p. 84 |
