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Caterpillar

938K

Wheel Loader

Operating Weight
34,129 lb
Gross Power
175.0 hp
Net Power
169.0 hp
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Caterpillar 938K Wheel Loader
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Specifications

81 data points

Operating Specifications

Operating Specifications specifications
Operating Weight34,129 lb
Fuel Capacity51.5 gal
Tire Size20.5
Hydraulic System Fluid Capacity23.8 gal
Front Axle/Diff Fluid Capacity9.2 gal
Rear Axle/Diff Fluid Capacity9.2 gal
Cooling System Fluid Capacity8.5 gal
Transmission Fluid Capacity2.9 gal
Rated Bucket Capacity3.30 – 6.50 yd³
Articulation Angle40 °
Static Tipping Load - Full Turn20,997 lb
Reach - Full Lift and 45 degrees Dump46 in
Dump Clearance at Full Lift and 45 degrees Dump Angle111 in

Engine

Engine specifications
Engine ModelC7.1 ACERT
Displacement402 in³
Gross Power175.0 hp
Net Power169.0 hp
Number of Cylinders6
Torque Measured @1,600 rpm
Stroke5 in
Bore4 in
Net Torque591 lb-ft
EEC 80/1269170.0 hp
Rated Net Power169.0 hp

Weights

Weights specifications
Operating Weight35,104 lb

Hydraulic System

Hydraulic System specifications
Pump Flow Capacity50.0 gal/min
Raise Time6.2 s
Lower Time2.7 s
Dump Time1.5 s
Relief Valve Setting4,061 psi

Dimensions

Dimensions specifications
Overall Length301 in
Height - Top of ROPS/FOPS131 in
Digging Depth4 in
Wheel Base120 in
Bucket Pin Height - Maximum Lift156 in
Wheel Base Length120 in
Centerline of Front Axle to Hitch60 in
Rack Back Angle - Carry45 °
Dump Angle at Maximum Lift49 °
Dump Clearance at Maximum Lift - 45 degrees111 in
Reach at Maximum Lift and 45 degrees Dump46 in
Rack Back Angle - Maximum Lift54 °
Length - Rear Axle to Bumper77 in
Overall Height - Bucket Raised207 in
Height - Center of Axle26 in
Carry Height18 in

Transmission

Transmission specifications
Max Speed - Forward25.0 mph
Max Speed - Reverse25.0 mph
Number of Forward Gears4
Number of Reverse Gears4
Forward - 18.0 mph
Reverse - 18.0 mph
2 Forward8.0 mph
3 Forward17.0 mph
4 Forward25.0 mph

Cab & Operator

Cab & Operator specifications
FOPSSAE J/ISO 3449 APR98 Level II ISO 3449 1992 Level II
ROPSSAE J1040 MAY94 ISO 3471-1994

Tires & Wheels

Tires & Wheels specifications
Size20.5 R25 radial (L-3)

Bucket

Bucket specifications
Dump Clearance at Max Raise111 in
Bucket Capacities6.50 yd³

Service Refill Capacities

Service Refill Capacities specifications
Cooling System7.9 gal
Transmission2.9 gal
Crankcase5.3 gal
Fuel Tank51.5 gal
Hydraulic Tank23.8 gal
Front9.2 gal
Rear9.2 gal

Steering System

Steering System specifications
Steering Angle - Each Direction40 °
Maximum Working Pressure3,500 psi
Steering Articulation40 °
Steering Cylinder, Two, Bore3 in

Loader Hydraulic System

Loader Hydraulic System specifications
Dump1.5 s
Lower, Empty, Float Down2.7 s
Raise5.5 s
Total9.7 s
Pump Flow - Implement Pump50.0 gal/min
Bore (1)5 in
Bore (2)6 in
Stroke (1)31 in
Stroke (2)22 in
Hydraulic Cycle Time9.7 s

Comparable machines

Other wheel loaders in a similar weight class.