Komatsu

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
Engine88 hp (65.6 kW)
Engine (gross)92 hp (68.6 kW)
Engine
Typeturbocharged diesel
ModelKomatsu S4D102LE-2
Power88 hp (65.6 kW)
Torque300 lb-ft (406.8 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Rated RPM2200
Torque RPM1500
Air cleanerdry
Compression18:1
Displacement275 ci (4.5 L)
Oil capacity9.6 qts (9.1 L)
Power (gross)92 hp (68.6 kW)
Starter power4.3 hp (3.2 kW)
Starter volts12
Coolant capacity14.8 qts (14.0 L)
Capacity
Fuel39.6 gal (149.9 L)
Hydraulic system25.6 gal (96.9 L)
Variants
WB146PS-5powershift transmission
Dimensions
Width93 inches (236 cm)
Height148 inches (transport) (375 cm)
Length293 inches (744 cm)
Wheelbase86 inches (218 cm)
Max weight38,892 lbs (17641 kg)
Height (cab)116 inches (294 cm)
Ground clearance17 inches (43 cm)
Operating weight16,090 lbs (7298 kg)
Electrical
Battery AH100
Battery CCA860
Battery volts12
Charging amps95
Charging systemalternator
Hydraulics
Typeclosed center load sensing
Capacity25.6 gal (96.9 L)
Pressure3553 psi (245.0 bar)
Total flow43.6 gpm (165.0 lpm)
Mechanical
ROPScanopy or cab with heat and A/C
DriveFour-wheel drive
BrakesDifferential wet disc brakes
Steeringhydrostatic power
Production
TypeBackhoe loader tractor
ManufacturerKomatsu
Years produced2006 - ????
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 overviewFront-end loader, Backhoe
Transmission
Options4-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 depth174 to 218 inches
Dump angle45 inches (114 cm)