Caterpillar 938K Wheel Loader
Units
Dimensions
Dimensions
Bucket Pin Height - Maximum Lift
13ft in
Carry Height
1.5ft in
Centerline Of Front Axle To Hitch
5ft in
Digging Depth
3.9in
Dump Angle At Maximum Lift
49degrees
Dump Clearance At Maximum Lift - 45 Degrees
9.25ft in
Height - Center Of Axle
2.16ft in
Height - Top Of Rops/Fops
10.9ft in
Length - Rear Axle To Bumper
6.4ft in
Overall Height - Bucket Raised
17.25ft in
Overall Length
25.1ft in
Rack Back Angle - Carry
45degrees
Rack Back Angle - Maximum Lift
54degrees
Reach At Maximum Lift And 45 Degrees Dump
3.75ft in
Wheel Base
10ft in
Wheel Base Length
10ft in
Specifications
Engine
Number Of Cylinders
6
Engine Make
2236
Engine Model
C7.1 ACERT
Net Power
169hp
Gross Power
175hp
Max Torque
672lb ft
Displacement
402cu in
Net Torque
591lb ft
Torque Measured @
1600rpm
Bore
4in
Stroke
5in
Eec 80/1269
170hp
Rated Net Power
169hp
Sae J1349
169hp
Iso 9249 (1997)
170hp
Operational
Operating Weight
34129lb
Fuel Capacity
51.5gal
Hydraulic System Fluid Capacity
23.8gal
Cooling System Fluid Capacity
8.5gal
Transmission Fluid Capacity
2.9gal
Front Axle/Diff Fluid Capacity
9.2gal
Rear Axle/Diff Fluid Capacity
9.2gal
Tire Size
20.5
Transmission
Number Of Forward Gears
4
Number Of Reverse Gears
4
Max Speed - Forward
25mph
Max Speed - Reverse
25mph
Forward - 1
8mph
Reverse - 1
8mph
Steering
Steering Angle - Each Direction
40degrees
Steering Cylinder, Two, Bore
3.1in
Maximum Working Pressure
3500 psi
Steering Articulation
40degrees
Transmission
2
8mph
3
17mph
4
25mph
Standard Transmission Maximum Travel Speeds
25mph
Weights
Operating Weight
35104lb
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
4061psi
Pump Flow Capacity
50gal/min
Raise Time
6.2sec
Dump Time
1.5sec
Lower Time
2.7sec
Operating Specifications
Static Tipping Load - Full Turn
20997lb
Articulation Angle
40degrees
Reach - Full Lift And 45 Degrees Dump
3.8ft in
Dump Clearance At Full Lift And 45 Degrees Dump Angle
9.3ft in
Service Refill Capacities
Cooling System
7.9gal
Fuel Tank
51.5gal
Crankcase
5.3gal
Hydraulic Tank
23.8gal
Hydraulic System - Including Tank
44.9gal
Transmission
2.9gal
Front
9.2gal
Rear
9.2gal
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)
4.7in
Stroke (1)
31.1in
Bore (2)
5.9in
Stroke (2)
21.9in
Hydraulic Cycle Time
9.7 sec
