Description:
Serial Number Information
The serial number plate is typically located on the left side of the machine frame near the front step or under the operator’s cab platform.
Use your serial number to verify fitment for engine, hydraulic, and drivetrain components across different model generations.
Key Specifications
| Feature |
Specification |
| Engine Model |
Komatsu SAA4D104E-1, 4-cylinder turbocharged diesel |
| Emissions Tier |
Tier 4 Final compliant |
| Net Power |
99 HP (74 kW) @ 2,200 RPM |
| Operating Weight |
17,637 lbs (8,000 kg) |
| Transmission |
Synchro shuttle, 4F / 4R |
| Travel Speed |
25 mph (40 km/h) |
Loader & Backhoe Specs
| Feature |
Specification |
| Loader Bucket Capacity |
1.3 cubic yards (1.0 m³) |
| Backhoe Dig Depth |
18 ft 4 in (5.6 m) |
| Reach at Ground Level |
21 ft 10 in (6.65 m) |
| Hydraulic Flow |
31 GPM (117 L/min) |
Key Features
Tier 4 Final Engine Power
The Komatsu SAA4D104E-1 diesel engine produces 99 HP with enhanced fuel efficiency and reduced emissions, ideal for environmentally regulated job sites.
Advanced Backhoe Performance
With a digging depth of 18 ft 4 in, the WB93R can handle deep utility installations and drainage systems with ease.
High-Capacity Loader Functionality
The 1.3 yd³ loader bucket is built for quick loading of soil, gravel, and bulk materials with efficient breakout force and smooth dump action.
Smooth Shuttle Transmission
A synchro shuttle gearbox allows smooth gear shifting and direction changes, supporting fast cycle times in loader or excavation tasks.
Hydraulic Efficiency
A 31 GPM hydraulic system powers both backhoe and loader arms, supporting multi-function movements with responsive control.
Common Replacement Parts
Keep your WB93R running strong with high-quality parts available at Broken Tractor:
Engine Components
Turbochargers, injectors, filters, glow plugs, oil pumps
Transmission & Clutch
Clutch kits, shuttle shift linkages, synchros, seals
Hydraulics
Pump kits, boom/stick cylinders, control valves, hoses
Backhoe & Loader Arms
Bucket pins, bushings, cylinder seal kits, bucket teeth
Electrical & Cab
Switches, relays, sensors, ignition modules, seat kits
Maintenance Schedule
| Task |
Recommended Interval |
| Engine Oil & Filter |
Every 250 hours |
| Hydraulic Fluid & Filter |
Every 500 hours |
| Transmission Service |
Every 500 hours |
| Fuel & Air Filter Replacement |
Every 250 hours |
| Cooling System Flush |
Annually or every 1,000 hours |
| Grease Backhoe/Loader Points |
Daily or before each use |
See Details
