Overview
Configured for Success
The Cat® 938 Small Wheel Loader sets the standard for productivity, fuel efficiency, operator comfort and low operating costs. Experience the industry benchmark.
Key Specs
The Cat® 938 Small Wheel Loader sets the standard for productivity, fuel efficiency, operator comfort and low operating costs. Experience the industry benchmark.
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| Rated Engine Power - ISO 14396 | 188 hp 140 kW |
| Engine Model | Cat C7.1* Cat C7.1* |
| Performance Mode | Automatic Automatic |
| Rated Gross Power - Rated Engine Speed | 1800 r/min 1800 r/min |
| Rated Engine Power - ISO 14396 (DIN) | 190 mhp 190 mhp |
| Rated Net Power - SAE J1349 at Minimum Fan Speed | 182 hp 136 kW |
| Rated Net Power - ISO 9249 at Minimum Fan Speed | 182 hp 136 kW |
| Rated Net Power - ISO 9249 (DIN) at Minimum Fan Speed | 188 mhp 188 mhp |
| Maximum Gross Torque - Engine Speed | 1400 r/min 1400 r/min |
| Maximum Gross Torque - ISO 14396 | 672 ft·lbf 912 N·m |
| Maximum Net Torque - SAE J1349 | 646 ft·lbf 876 N·m |
| Maximum Net Torque - ISO 9249 | 653 ft·lbf 886 N·m |
| Displacement | 427 in³ 7.01 l |
| Bore | 4 in 105 mm |
| Stroke | 5 in 135 mm |
| Note | *Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. *Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. |
| Note (1) | Advertised power is tested per the specified standard in effect at the time of manufacture. Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Note (2) | Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when engine is equipped with alternator, air cleaner, emission components and fan at specified speed. Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when engine is equipped with alternator, air cleaner, emission components and fan at specified speed. |
| Operating Weight | 33948 lb 15399 kg |
| Operating Weight - High Lift | 34426 lb 15615 kg |
| Bucket Capacities | 2.5-5 m3 (3.3-6.5 yd3) 2.5-5 m3 (3.3-6.5 yd3) |
| Steering Cylinder - Bore Diameter | 3.1 in 80 mm |
| Steering Cylinder - Rod Diameter | 2 in 50 mm |
| Steering Cylinder - Stroke | 15.7 in 399 mm |
| Maximum Flow - Steering Pump | 34 gpm 130 L/min |
| Maximum Working Pressure - Steering Pump | 3500 psi 24130 kPa |
| Steering Cycle Times (Full Left to Full Right) - Minimum RPM: Pump Flow Limited | 3.1 s 3.1 s |
| Steering Cycle Times (Full Left to Full Right) - Maximum RPM: 90 RPM Steering Wheel Speed | 2.3 s 2.3 s |
| Maximum Flow - Implement Pump | 50 gpm 190 L/min |
| Maximum Flow - Implement Pump - 3rd Function Maximum Flow* | 50 gpm 190 L/min |
| Maximum Flow - Implement Pump - 4th Function Maximum Flow* | 42 gpm 160 L/min |
| Maximum Working Pressure - Implement Pump | 4061 psi 28000 kPa |
| Relief Pressure - Tilt Cylinder | 4351 psi 30000 kPa |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure | 4061 psi 28000 kPa |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure | 4351 psi 30000 kPa |
| Lift Cylinder: Standard Lift Linkage - Bore Diameter | 4.7 in 120 mm |
| Lift Cylinder: Standard Lift Linkage - Rod Diameter | 2.6 in 65 mm |
| Lift Cylinder: Standard Lift Linkage - Stroke | 31.1 in 789 mm |
| Tilt Cylinder: Standard Lift Linkage - Bore Diameter | 5.9 in 150 mm |
| Tilt Cylinder: Standard Lift Linkage - Rod Diameter | 3.5 in 90 mm |
| Tilt Cylinder: Standard Lift Linkage - Stroke | 21.9 in 555 mm |
| Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift | 5.5 s 5.5 s |
| Hydraulic Cycle Time - Dump (at Maximum Lift Height) | 1.5 s 1.5 s |
| Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level | 2.7 s 2.7 s |
| Hydraulic Cycle Time - Total Cycle Time | 9.7 s 9.7 s |
| Note | *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. |
| Fuel Tank | 51.5 gal (US) 195 l |
| Cooling System | 8.5 gal (US) 32 l |
| Engine Crankcase | 5.2 gal (US) 19.5 l |
| Transmission - Gear Box | 2.2 gal (US) 8.5 l |
| Front Axles | 9.2 gal (US) 35 l |
| Rear Axles | 9.2 gal (US) 35 l |
| Hydraulic System - Including Tank | 45 gal (US) 170 l |
| Hydraulic Tank | 23.8 gal (US) 90 l |
| Forward and Reverse - Range 1* | 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph) |
| Forward and Reverse - Range 2 | 8 mile/h 13 km/h |
| Forward and Reverse - Range 3 | 17 mile/h 27 km/h |
| Forward and Reverse - Range 4 | 25 mile/h 40 km/h |
| Note | *Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph). *Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the secondary display when equipped. Factory default is 7 km/h (4.4 mph). |
| Standard Size | 20.5 R25, radial (L-3) 20.5 R25, radial (L-3) |
| Other Choices Include | 20.5 R25, radial (L-5), 20.5-25 16 PR (L-3), 23.5-25, radial (L-3) 20.5 R25, radial (L-5), 20.5-25 16 PR (L-3), 23.5-25, radial (L-3) |
| Note (1) | Other tire choices are available. Contact your Cat dealer for details. Other tire choices are available. Contact your Cat dealer for details. |
| Note (2) | In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. |
| Note (3) | Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. |
| ROPS | ISO 3471:2008 ISO 3471:2008 |
| FOPS | ISO 3449:2005 LEVEL II ISO 3449:2005 LEVEL II |
| Front | Fixed; Open differential (standard); Locking differential (optional) Fixed; Open differential (standard); Locking differential (optional) |
| Rear | Oscillating ± 11 degrees; Open differential (standard); Limited slip differential (optional) Oscillating ± 11 degrees; Open differential (standard); Limited slip differential (optional) |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (2.99 tons). The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg (4.2 lb) of refrigerant which has a CO2 equivalent of 2.717 metric tonnes (2.99 tons). |
| Operator Sound Pressure (ISO 6396:2008) | 68 dB(A) 68 dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 101 dB(A) 101 dB(A) |
| Note (1) | Measurements were conducted with properly installed and maintained cab doors and windows closed. Measurements were conducted with properly installed and maintained cab doors and windows closed. |
| Recyclability | 96% 96% |
| Height - Ground to Cab** | 131.5 in 3340 mm |
| Height - Ground to Beacon** | 146 in 3707 mm |
| Height - Ground to Axle Center** | 26.9 in 685 mm |
| Height - Ground Clearance** | 15.1 in 386 mm |
| Length - Overall* | 301.8 in 7666 mm |
| Length - Rear Axle to Bumper | 77.4 in 1968 mm |
| Length - Hitch to Front Axle | 60 in 1525 mm |
| Length - Wheel Base | 120 in 3050 mm |
| Clearance - Bucket at 45°* | 111.1 in 2822 mm |
| Clearance - Load over Height** | 132 in 3354 mm |
| Clearance - Level Bucket** | 143.3 in 3642 mm |
| Height - Bucket Pin** | 156.2 in 3969 mm |
| Height - Overall** | 208.7 in 5301 mm |
| Reach - Bucket at 45°* | 45.1 in 1146 mm |
| Carry Height - Bucket Pin | 16.4 in 418 mm |
| Dig Depth** | 3.9 in 100 mm |
| Width - Bucket | 108.2 in 2750 mm |
| Width - Tread Center | 82 in 2083 mm |
| Turning Radius - Over Bucket | 241.2 in 6127 mm |
| Width - Over Tires | 106 in 2693 mm |
| Turning Radius - Outside of Tires | 218.3 in 5546 mm |
| Turning Radius - Inside of Tires | 111.9 in 2843 mm |
| Rack Angle at Full Lift | 54 ° 54 ° |
| Dump Angle at Full Lift | 49 ° 49 ° |
| Rack Angle at Carry | 44 ° 44 ° |
| Departure Angle | 33 ° 33 ° |
| Articulation Angle | 40 ° 40 ° |
| Tipping Load - Straight (ISO 14397-1:2007)* | 26017 lb 11801 kg |
| Tipping Load - Full Turn (ISO 14397-1:2007)* | 22318 lb 10123 kg |
| Breakout* | 28841 lb 13082 kg |
| Operating Weight | 33948 lb 15399 kg |
| Note (1) | *Vary with bucket. *Vary with bucket. |
| Note (2) | **Vary with tire. **Vary with tire. |
| Note (3) | Dimensions listed are for a machine configured with heavy counterweights, Michelin 20.5 R25 (L-3) XHA2 tires, 80 kg (176 lb) operator, and power train guard. Values are listed for a 2.7 m3 (3.5 yd3) pin on, general purpose performance series bucket with bolt-on cutting edge. Dimensions listed are for a machine configured with heavy counterweights, Michelin 20.5 R25 (L-3) XHA2 tires, 80 kg (176 lb) operator, and power train guard. Values are listed for a 2.7 m3 (3.5 yd3) pin on, general purpose performance series bucket with bolt-on cutting edge. |
| Height - Ground to Cab** | 131.5 in 3340 mm |
| Height - Ground to Beacon** | 146 in 3707 mm |
| Height - Ground to Axle Center** | 26.9 in 685 mm |
| Height - Ground Clearance** | 15.1 in 386 mm |
| Length - Overall* | 331 in 8406 mm |
| Length - Rear Axle to Bumper | 77.4 in 1968 mm |
| Length - Hitch to Front Axle | 60 in 1525 mm |
| Length - Wheel Base | 120 in 3050 mm |
| Clearance - Bucket at 45°* | 134 in 3403 mm |
| Clearance - Load over Height** | 132.3 in 3561 mm |
| Clearance - Level Bucket** | 166.2 in 4223 mm |
| Height - Bucket Pin** | 179.1 in 4550 mm |
| Height - Overall** | 231.5 in 5881 mm |
| Reach - Bucket at 45°* | 55.6 in 1413 mm |
| Carry Height - Bucket Pin | 24.9 in 633 mm |
| Dig Depth** | 5.3 in 135 mm |
| Width - Bucket | 108.2 in 2750 mm |
| Width - Tread Center | 82 in 2083 mm |
| Turning Radius - Over Bucket | 255.4 in 6488 mm |
| Width - Over Tires | 106 in 2693 mm |
| Turning Radius - Outside of Tires | 218.3 in 5546 mm |
| Turning Radius - Inside of Tires | 111.9 in 2843 mm |
| Rack Angle at Full Lift | 53 ° 53 ° |
| Dump Angle at Full Lift | 47 ° 47 ° |
| Rack Angle at Carry | 49 ° 49 ° |
| Departure Angle | 33 ° 33 ° |
| Articulation Angle | 40 ° 40 ° |
| Tipping Load - Straight (ISO 14397-1:2007)* | 19392 lb 8796 kg |
| Tipping Load - Full Turn (ISO 14397-1:2007)* | 16484 lb 7477 kg |
| Breakout* | 27723 lb 12575 kg |
| Operating Weight | 34426 lb 15616 kg |
| Note (1) | *Vary with bucket. *Vary with bucket. |
| Note (2) | **Vary with tire. **Vary with tire. |
| Note (3) | Dimensions listed are for a machine configured with heavy counterweights, Michelin 20.5 R25 (L-3) XHA2 tires, 80 kg (176 lb) operator, and power train guard. Values are listed for a 2.7 m3 (3.5 yd3) pin on, general purpose performance series bucket with bolt-on cutting edge. Dimensions listed are for a machine configured with heavy counterweights, Michelin 20.5 R25 (L-3) XHA2 tires, 80 kg (176 lb) operator, and power train guard. Values are listed for a 2.7 m3 (3.5 yd3) pin on, general purpose performance series bucket with bolt-on cutting edge. |
Studio Shot
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
Cat® 938 Small Wheel Loader
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