Komatsu WB146-5
The Komatsu WB146-5 is a backhoe loader tractor produced from 2006 onwards. It features a Komatsu 4.5L 4-cylinder turbocharged diesel engine delivering 88 hp (65.6 kW) rated power and 92 hp (68.6 kW) gross power. The tractor offers two transmission options: a 4-speed synchronized with power shuttle and a 4-speed full powershift with power shuttle. It has four-wheel drive, hydrostatic power steering, and differential wet disc brakes. The hydraulic system is closed center load sensing with a capacity of 25.6 gallons and pressure of 3553 psi. Dimensions include an 86-inch wheelbase, 293-inch length, and 148-inch transport height. The operating weight is 16,090 lbs. The front-end loader has a lift capacity of 8,598 lbs and bucket capacity of 1.25 cubic yards. The backhoe offers digging depths up to 218 inches with extended stick and a bucket force of 13,505 lbs.
Power-
Founded-
ModelWB146-5
Technical Specifications
Detailed specifications and technical data for Komatsu WB146-5
Power
| Engine | 88 hp (65.6 kW) |
|---|---|
| Engine (gross) | 92 hp (68.6 kW) |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Komatsu S4D102LE-2 |
| Power | 88 hp (65.6 kW) |
| Torque | 300 lb-ft (406.8 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Rated RPM | 2200 |
| Torque RPM | 1500 |
| Air cleaner | dry |
| Compression | 18:1 |
| Displacement | 275 ci (4.5 L) |
| Oil capacity | 9.6 qts (9.1 L) |
| Power (gross) | 92 hp (68.6 kW) |
| Starter power | 4.3 hp (3.2 kW) |
| Starter volts | 12 |
| Coolant capacity | 14.8 qts (14.0 L) |
Capacity
| Fuel | 39.6 gal (149.9 L) |
|---|---|
| Hydraulic system | 25.6 gal (96.9 L) |
Variants
| WB146PS-5 | powershift transmission |
|---|
Dimensions
| Width | 93 inches (236 cm) |
|---|---|
| Height | 148 inches (transport) (375 cm) |
| Length | 293 inches (744 cm) |
| Wheelbase | 86 inches (218 cm) |
| Max weight | 38,892 lbs (17641 kg) |
| Height (cab) | 116 inches (294 cm) |
| Ground clearance | 17 inches (43 cm) |
| Operating weight | 16,090 lbs (7298 kg) |
Electrical
| Battery AH | 100 |
|---|---|
| Battery CCA | 860 |
| Battery volts | 12 |
| Charging amps | 95 |
| Charging system | alternator |
Hydraulics
| Type | closed center load sensing |
|---|---|
| Capacity | 25.6 gal (96.9 L) |
| Pressure | 3553 psi (245.0 bar) |
| Total flow | 43.6 gpm (165.0 lpm) |
Mechanical
| ROPS | canopy or cab with heat and A/C |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Differential wet disc brakes |
| Steering | hydrostatic power |
Production
| Type | Backhoe loader tractor |
|---|---|
| Manufacturer | Komatsu |
| Years produced | 2006 - ???? |
Attachments
| Loader | Breakout13,224 lbs (5998 kg) Rollback45° Dump angle45° Bucket width93 inches (236 cm) Reach (dumped)29 inches (73 cm) Bucket capacity1.25 cu yd (1.0 cu m) Height (at pin)133 inches (337 cm) Clearance (dumped)103 inches (261 cm) Lift (full at pin)8,598 lbs (3900 kg) |
|---|---|
| Backhoe | TypeKomatsu Backhoe Bucket force13,505 lbs (6125 kg) Digging depth174 inches (441 cm) Loading height145 inches (368 cm) Reach from pivot226 inches (574 cm) Dipperstick force8,830 lbs (4005 kg) 2-Foot flat digging depth172 inches (436 cm) Digging depth (extended stick)218 inches (553 cm) Loading height (extended stick)172 inches (436 cm) Loading height (retracted stick)144 inches (365 cm) Reach from pivot (extended stick)266 inches (675 cm) 2-Foot flat digging depth (extended stick)216 inches (548 cm) |
| Attachment overview | Front-end loader, Backhoe |
Transmission
| Options | 4-speed synchonized with power shufttle, 4-speed full powershift with power shuttle |
|---|---|
| Type (powershift) | full powershift with power shuttle |
| Gears (powershift) | 4 forward and 3 reverse |
| Type (synchonized) | synchonized with power shufttle |
| Gears (synchonized) | 4 forward and reverse |
| Oil capacity (powershift) | 29.6 qts (28.0 L) |
| Oil capacity (synchonized) | 21.2 qts (20.1 L) |
Backhoe & Loader
| Dig depth | 174 to 218 inches |
|---|---|
| Dump angle | 45 inches (114 cm) |
