CAT 938K Wheel Loader

Dimensions

Bucket Pin Height – Maximum Lift 13 ft in (3.97 m)
Carry Height 1.5 ft in (0.46 m)
Centerline Of Front Axle To Hitch 5 ft in (1.53 m)
Digging Depth 3.9 in (99.06 mm)
Dump Angle At Maximum Lift 49 degrees
Dump Clearance At Maximum Lift – 45 Degrees 9.25 ft in (2.82 m)
Height – Center Of Axle 2.16 ft in (0.66 m)
Height – Top Of ROPS/FOPS 10.9 ft in (3.33 m)
Length – Rear Axle To Bumper 6.4 ft in (1.96 m)
Overall Height – Bucket Raised 17.25 ft in (5.26 m)
Overall Length 25.1 ft in (7650.48 mm)
Rack Back Angle – Carry 45 degrees
Rack Back Angle – Maximum Lift 54 degrees
Reach At Maximum Lift And 45 Degrees Dump 3.75 ft in (1.15 m)
Wheel Base 10 ft in (3.05 m)
Wheel Base Length 10 ft in (3.05 m)

Engine Details

Number Of Cylinders 6
Engine Make CAT
Engine Model C7.1 ACERT
Net Power 169 hp (126.1 kw)
Gross Power 175 hp (130.5 kw)
Max Torque 672 lb ft (911.2 Nm)
Displacement 402 cu in (6.6 L)
Net Torque 591 lb ft (801.3 Nm)
Torque Measured @ 1600 rpm
Bore 4 in (101.6 mm)
Stroke 5 in (127 mm)
Eec 80/1269 170 hp (126.8 kw)
Rated Net Power 169 hp (126.1 kw)
Sae J1349 169 hp (126.1 kw)
Iso 9249 (1997) 170 hp (126.8 kw)

Operational Specs

Operating Weight 34129 lb (15480.7 kg)
Fuel Tank Capacity 51.5 gal (195 L)
Hydraulic System Fluid Capacity 23.8 gal (90.1 L)
Cooling System Fluid Capacity 8.5 gal (32.2 L)
Transmission Fluid Capacity 2.9 gal (11 L)
Front Axle/Diff Fluid Capacity 9.2 gal (34.9 L)
Rear Axle/Diff Fluid Capacity 9.2 gal (34.9 L)
Tire Size 20.5

Transmission

Number Of Forward Gears 4
Number Of Reverse Gears 4
Max Speed – Forward 25 mph (40.3 km/h)
Max Speed – Reverse 25 mph (40.3 km/h)
Forward – 1 8 mph (12.9 km/h)
Reverse – 1 8 mph (12.9 km/h)

Steering

Steering Angle – Each Direction 40 degrees
Steering Cylinder, Two, Bore 3.1 in (78.8 mm)
Maximum Working Pressure 3500 psi
Steering Articulation 40 degrees

Transmission

2 8 mph (12.9 km/h)
3 17 mph (27.4 km/h)
4 25 mph (40.3 km/h)
Standard Transmission Maximum Travel Speeds 25 mph (40.3 km/h)

Weights

Operating Weight 35104 lb (15923 kg)

Tires

Size 20.5 R25, radial (L-3)

Buckets

Bucket Capacities 2.5 m3 – 5.0 m3 3.2 yd3 – 6.5 yd3

Hydraulic System

Relief Valve Setting 4061 psi (27999.6 kPa)
Pump Flow Capacity 50 gal/min (189.3 L/min)
Raise Time 6.2 sec
Dump Time 1.5 sec
Lower Time 2.7 sec

Operating Specifications

Static Tipping Load – Full Turn 20997 lb (9524.1 kg)
Articulation Angle 40 degrees
Reach – Full Lift And 45 Degrees Dump 3.8 ft in (1.2 m)
Dump Clearance At Full Lift And 45 Degrees Dump Angle 9.3 ft in (2.9 m)

Service Refill Capacities

Cooling System 7.9 gal (30 L)
Fuel Tank Capacity 51.5 gal (195 L)
Crankcase 5.3 gal (20.1 L)
Hydraulic Tank 23.8 gal (90.1 L)
Hydraulic System – Including Tank 44.9 gal (170 L)
Transmission 2.9 gal (11 L)
Front 9.2 gal (34.9 L)
Rear 9.2 gal (34.9 L)

Cab

ROPS SAE J1040 MAY94, ISO 3471-1994
FOPS SAE J/ISO 3449 APR98 Level II, ISO 3449 1992 Level II

Loader Hydraulic System

Pump Flow – Implement Pump 50 gal/min
Maximum Working Pressure 4061 psi
Raise 5.5 s
Dump 1.5 s
Lower, Empty, Float Down 2.7 s
Total 9.7 s
Bore (1) 4.7 in (119.4 mm)
Stroke (1) 31.1 in (790 mm)
Bore (2) 5.9 in (149.9 mm)
Stroke (2) 21.9 in (556.3 mm)
Hydraulic Cycle Time 9.7 sec
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