Komatsu WB70A-1 Backhoe Loader

Backhoe

Load Height – Std 10.18 ft in (3100 mm)
Reach From Swivel – Std 15.31 ft in (4665 mm)
Dig Depth – Std 12.06 ft in (3675 mm)
Reach At Load Height – Std 3.6 ft in (1095 mm)
Reach From Swivel – Ext 17.45 ft in (5316 mm)
Dig Depth – Ext 14.41 ft in (4390 mm)
Bucket Dig Force – Std 9259.42 lb (4200 kg)
Load Height – Ext 11.85 ft in (3611 mm)
Reach At Load Height – Ext 5.09 ft in (1551 mm)

Dimensions

Transport Width 6.07 ft in (1850 mm)
Transport Height 10.15 ft in (3091 mm)
Wheelbase 7.06 ft in (2150 mm)
Ground Clearance 1.45 ft in (440 mm)
Height To Top Of Suspended Cab 8.73 ft in (2660 mm)

Loader

Clearance At Max Dump Height 8.14 ft in (2480 mm)
Reach At Max Dump Height 2.86 ft in (870 mm)
Dig Depth 4.34 in (110 mm)
Lift Capacity At Full Height 4651.76 lb (2110 kg)
Bucket Capacity 0.92 yd3 (0.7 m3)
Bucket Width 72.84 in (1850 mm)
Bucket Breakout Force 9693.77 lb (43.12 kN)

Engine Details

Number Of Cylinders 4
Engine Make Komatsu
Engine Model 4D98E-1FA
Net Power 70.8 hp (52.8 kw)
Power Measured @ 2500 rpm
Torque Measured @ 1200 rpm
Net Max Torque 185.2 lb ft (251 Nm)
Displacement 202.5 cu in (3.4 L)

Operational Specs

Fuel Tank Capacity 18.5 gal (70 L)
Operating Weight 4wd 12456.2 lb (5650 kg)
Max Weight 14109.6 lb (6400 kg)
Hydraulic System Fluid Capacity 17.2 gal (65 L)
Oil System Fluid Capacity 2.7 gal (10 L)
Cooling System Fluid Capacity 4 gal (15 L)
Front Axle Fluid Capacity 1.1 gal (4 L)
Rear Axle Fluid Capacity 1.4 gal (5.2 L)
Tire Size Front – 2wd / 4wd 12.5 x 20
Rear Tires Size 2wd/4wd 12.5 x 20
Operating Voltage 12 V
Alternator Supplied Amperage 60 amps

Transmission

Transmission Type Hydrostatic
Number Of Forward Gears 4
Number Of Reverse Gears 4
Max Speed – Forward 24.3 mph (39 km/h)
Max Speed Reverse 24.3 mph (39 km/h)

Hydraulic

Pump Type two gear pumps
Pump Flow Capacity 30.7 gal/min (116 L/min)
Relief Valve Pressure 2900.8 psi (20000 kPa)
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