- Category: Wheel Loaders ➔
- Manufacturer: Caterpillar ➔
- Model: 938K ➔
The Caterpillar 938K is a wheel loader designed for material handling, loading, stockpiling, and general construction applications. It is part of Caterpillar's K Series and is commonly used in aggregate yards, waste handling, agriculture, and site development. The 938K features a hydrostatic drive, articulated steering, and a purpose-built loader linkage for efficient bucket control and breakout performance. Operator comfort, visibility, and service access are key design elements. The machine is available with multiple bucket and tire configurations to suit different job requirements. The Caterpillar 938K is used in applications requiring reliable loading, maneuverability, and productivity in confined or high-cycle work environments.
Bucket
| Bucket Capacities | 6.50 cu yd (4.97 cu m)
|
| Dump Clearance at Max Raise | 9.25 ft (2.82 m)
|
Cab
| FOPS | SAE J/ISO 3449 APR98 Level II ISO 3449 1992 Level II
|
| ROPS | SAE J1040 MAY94 ISO 3471-1994
|
Dimensions
| Bucket Pin Height - Maximum Lift | 13.00 ft (3.96 m)
|
| Carry Height | 1.50 ft (0.46 m)
|
| Centerline of Front Axle to Hitch | 5.00 ft (1.52 m)
|
| Digging Depth | 3.90 in (9.91 cm)
|
| Dump Angle at Maximum Lift | 49 degrees
|
| Dump Clearance at Maximum Lift - 45 degrees | 9.30 ft (2.83 m)
|
| Height - Center of Axle | 2.20 ft (0.67 m)
|
| Height - Top of ROPS/FOPS | 10.90 ft (3.32 m)
|
| Length - Rear Axle to Bumper | 6.40 ft (1.95 m)
|
| Overall Height - Bucket Raised | 17.30 ft (5.27 m)
|
| Overall Length | 25.10 ft (7.65 m)
|
| Rack Back Angle - Carry | 45 degrees
|
| Rack Back Angle - Maximum Lift | 54 degrees
|
| Reach at Maximum Lift and 45 degrees Dump | 3.80 ft (1.16 m)
|
| Wheel Base | 10.00 ft (3.05 m)
|
| Wheel Base Length | 10.00 ft (3.05 m)
|
Engine
| Bore | 4.00 in (10.16 cm)
|
| Displacement | 402.00 cu in (6,587.61 cu cm)
|
| EEC 80/1269 | 170.00 hp (126.77 kw)
|
| Engine Model | C7.1 ACERT
|
| Gross Power | 175.00 hp (130.50 kw)
|
| Net Power | 169.00 hp (126.03 kw)
|
| Net Torque | 591.00 lbs ft (801.28 nm)
|
| Number of Cylinders | 6
|
| Rated Net Power | 169.00 hp (126.03 kw)
|
| Stroke | 5.00 in (12.70 cm)
|
| Torque Measured @ | 1600 rpm
|
Hydraulic System
| Dump Time | 1.5 seconds
|
| Lower Time | 2.7 seconds
|
| Pump Flow Capacity | 50.00 gpm (189.25 lpm)
|
| Raise Time | 6.2 seconds
|
| Relief Valve Setting | 4061 psi
|
Loader Hydraulic System
| Bore (1) | 4.70 in (11.94 cm)
|
| Bore (2) | 5.90 in (14.99 cm)
|
| Dump | 1.5 seconds
|
| Hydraulic Cycle Time | 9.7 seconds
|
| Lower, Empty, Float Down | 2.7 seconds
|
| Pump Flow - Implement Pump | 50.00 gpm (189.25 lpm)
|
| Raise | 5.5 seconds
|
| Stroke (1) | 31.10 in (78.99 cm)
|
| Stroke (2) | 21.90 in (55.63 cm)
|
| Total | 9.7 seconds
|
Operating Specifications
| Articulation Angle | 40 degrees
|
| Cooling System Fluid Capacity | 8.50 gal (32.17 l)
|
| Dump Clearance at Full Lift and 45 degrees Dump Angle | 9.30 ft (2.83 m)
|
| Front Axle/Diff Fluid Capacity | 9.20 gal (34.82 l)
|
| Fuel Capacity | 51.50 gal (194.93 l)
|
| Hydraulic System Fluid Capacity | 23.80 gal (90.08 l)
|
| Operating Weight | 34,129.00 lbs (15,480.67 kg)
|
| Rated Bucket Capacity | 3.30-6.50 cu yd (2.52-4.97 cu m) |
| Reach - Full Lift and 45 degrees Dump | 3.80 ft (1.16 m)
|
| Rear Axle/Diff Fluid Capacity | 9.20 gal (34.82 l)
|
| Static Tipping Load - Full Turn | 20,997.00 lbs (9,524.09 kg)
|
| Tire Size | 20.5
|
| Transmission Fluid Capacity | 2.90 gal (10.98 l)
|
Service Refill Capacities
| Cooling System | 7.90 gal (29.90 l)
|
| Crankcase | 5.30 gal (20.06 l)
|
| Front | 9.20 gal (34.82 l)
|
| Fuel Tank | 51.50 gal (194.93 l)
|
| Hydraulic Tank | 23.80 gal (90.08 l)
|
| Rear | 9.20 gal (34.82 l)
|
| Transmission | 2.90 gal (10.98 l)
|
Steering System
| Maximum Working Pressure | 3500 psi
|
| Steering Angle - Each Direction | 40 degrees
|
| Steering Articulation | 40 degrees
|
| Steering Cylinder, Two, Bore | 3.10 in (7.87 cm)
|
Tires
| Size | 20.5 R25 radial (L-3)
|
Transmission
| 2 Forward | 8.00 mph (12.87 kph)
|
| 3 Forward | 17.00 mph (27.36 kph)
|
| 4 Forward | 25.00 mph (40.23 kph)
|
| Forward - 1 | 8.00 mph (12.87 kph)
|
| Max Speed - Forward | 25.00 mph (40.23 kph)
|
| Max Speed - Reverse | 25.00 mph (40.23 kph)
|
| Number of Forward Gears | 4
|
| Number of Reverse Gears | 4
|
| Reverse - 1 | 8.00 mph (12.87 kph)
|
Weights
| Operating Weight | 35,104.00 lbs (15,922.93 kg)
|
