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Komatsu WB146-5

Komatsu WB146-5 tractor
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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.
Komatsu WB146-5backhoe loadertractorspecificationsenginetransmissiondimensionshydraulicsattachments
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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

Breakout:13,224 lbs (5998 kg)
Rollback:45°
Dump angle:45°
Bucket width:93 inches (236 cm)
Reach (dumped):29 inches (73 cm)
Bucket capacity:1.25 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

Type:Komatsu Backhoe
Bucket force:13,505 lbs (6125 kg)
Digging depth:174 inches (441 cm)
Loading height:145 inches (368 cm)
Reach from pivot:226 inches (574 cm)
Dipperstick force:8,830 lbs (4005 kg)
2-Foot flat digging depth:172 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)