Komatsu WB146-5 Backhoe Loader Specs

Category: Backhoe Loaders ➔
Manufacturer: Komatsu ➔
Model: WB146-5 ➔

Komatsu WB146-5 is a backhoe loader designed for excavation, loading, trenching, and general site work. It combines a front loader bucket with a rear backhoe attachment for versatile operation on construction, utility, landscaping, and municipal projects. The WB146-5 is part of Komatsu's compact equipment range and is typically used where maneuverability and multi-purpose capability are required. Common applications include material handling, digging foundations, backfilling, and road maintenance. As a backhoe loader, it is suited to jobs that require both loading and digging functions in a single machine, reducing the need for separate equipment on smaller and medium-sized worksites.

General Specifications

Komatsu WB146-5 Backhoe Loader General Specifications specifications
4TH GEAR FWD	23.50 mph (37.82 kph) — Starting 2010 Model Year
BACKHOE LOADING HEIGHT	12.00 ft (3.66 m) — Starting 2009 Model Year
BREAKOUT FORCE	13,224.00 lbs (5,998.31 kg) — Starting 2010 Model Year
DIGGING DEPTH	14.50 ft (4.42 m) — Starting 2010 Model Year
LIFT CAPACITY	8,598.00 lbs (3,899.99 kg) — Starting 2010 Model Year
LOADER BREAKOUT FORCE	13,224.00 lbs (5,998.31 kg) — Starting 2009 Model Year
LOADER LIFT CAPACITY	8,598.00 lbs (3,899.99 kg) — Starting 2009 Model Year
LOADER SAE	88.00 hp (65.62 kw) — Starting 2009 Model Year
LOADING HEIGHT	12.00 ft (3.66 m) — Starting 2010 Model Year
MAX DIGGING DEPTH	14.50 ft (4.42 m) — Starting 2009 Model Year
OPERATING WEIGHT	16,240.00 lbs (7,366.35 kg) — Starting 2009 Model Year
SAE	88.00 hp (65.62 kw) — Starting 2010 Model Year
TRAVEL SPEED 4TH GEAR FWD	23.50 mph (37.82 kph) — Starting 2009 Model Year
WEIGHT	16,240.00 lbs (7,366.35 kg) — Starting 2010 Model Year

Backhoe

Komatsu WB146-5 Backhoe Loader Backhoe specifications
Dig Depth - Ext	18.16 ft (5.54 m)
Dig Depth - Std	14.52 ft (4.43 m)
Load At Max Lift - Ext	1,834.25 lbs (832.00 kg)
Load At Max Lift - Std	3,270.00 lbs (1,483.25 kg)
Load Height - Ext	14.34 ft (4.37 m)
Load Height - Std	12.07 ft (3.68 m)
Reach From Swivel - Ext	22.17 ft (6.76 m)
Reach From Swivel - Std	18.84 ft (5.74 m)

Dimensions

Komatsu WB146-5 Backhoe Loader Dimensions specifications
Ground Clearance	1.42 ft (0.43 m)
Height To Top Of Suspended Cab	9.63 ft (2.94 m)
Transport Height	13.88 ft (4.23 m)
Transport Length	24.39 ft (7.43 m)
Transport Width	7.73 ft (2.36 m)
Wheelbase	7.14 ft (2.18 m)

Engine

Komatsu WB146-5 Backhoe Loader Engine specifications
Aspiration	turbocharged
Displacement	275.00 cu in (4,506.45 cu cm)
Engine Make	2238
Engine Model	S4D102LE-2
Gross Power	92.60 hp (69.05 kw)
Net Max Torque	300.00 lbs ft (406.74 nm)
Net Power	88.60 hp (66.07 kw)
Number Of Cylinders	4
Power Measured @	2200 rpm
Torque Measured @	1500 rpm

Hydraulic

Komatsu WB146-5 Backhoe Loader Hydraulic specifications
Pump Flow Capacity	43.60 gpm (165.03 lpm)
Pump Type	variable displacement piston
Relief Valve Pressure	3553 psi

Loader

Komatsu WB146-5 Backhoe Loader Loader specifications
Bucket Breakout Force	13,224.00 lbs (5,998.31 kg)
Bucket Capacity	1.25 cu yd
Bucket Width	92.76 in (235.61 cm)
Clearance At Max Dump Height	8.61 ft (2.62 m)
Dig Depth	5.44 in (13.82 cm)
Lift Capacity At Full Height	8,598.03 lbs (3,900.01 kg)
Reach At Max Dump Height	2.47 ft (0.75 m)

Operational

Komatsu WB146-5 Backhoe Loader Operational specifications
Alternator Supplied Amperage	95 amps
Cooling System Fluid Capacity	3.70 gal (14.00 l)
Front Axle Fluid Capacity	1.90 gal (7.19 l)
Fuel Capacity	39.70 gal (150.26 l)
Hydraulic System Fluid Capacity	25.70 gal (97.27 l)
Oil System Fluid Capacity	2.40 gal (9.08 l)
Operating Voltage	12 V
Operating Weight 2wd	16,093.80 lbs (7,300.03 kg)
Operating Weight 4wd	16,093.80 lbs (7,300.03 kg)
Rear Axle Fluid Capacity	3.90 gal (14.76 l)
Rear Tires Size 2wd/4wd	19.5 x 24 10ply R4
Tire Size Front - 2wd / 4wd	14 x 17.5 10ply R4
Transmission Fluid Capacity	5.40 gal (20.44 l)
Turning Radius	11.20 ft (3.41 m)

Transmission

Komatsu WB146-5 Backhoe Loader Transmission specifications
Max Speed - Forward	23.50 mph (37.82 kph)
Max Speed Reverse	23.50 mph (37.82 kph)
Number Of Forward Gears	4
Number Of Reverse Gears	4
Transmission Type	synchronized gearbox, powershift shuttle

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