The Cat® 938K Small Wheel Loader sets the standard for productivity, fuel efficiency and operator comfort. The improved optimized Z-bar loader linkage delivers the quick loading performance of a traditional Z-bar with the parallelism and load handling capability of a tool carrier. A high torque, low speed C7.1 engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard.
| Engine Model | Cat® C7.1 |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) (Standard Power Mode: Speed Range 1-3*) | 173 HP |
| Rated Net Power | 182 HP |
| Engine Model | Cat® C7.1 |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) (Standard Power Mode: Speed Range 1-3*) | 127 kW |
| Rated Net Power | 136 kW |
Experience hybrid like fuel efficiency with an intelligent hydrostatic power train and industry leading fuel savings through a lower maximum engine speed of just 1,600 rpm in Standard Mode. Power when you need it with Caterpillar's exclusive Power-by-Range technology that increases power in Range 4 for improved speed on grade. For your toughest and most demanding applications a new Performance Mode will allow you to boost the power and hydraulic speed in all Ranges to get the job done even quicker. Meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards with a Cat® C7.1 engine that is designed to manage itself so you can concentrate on your work.
Move more with Caterpillar's patented quick loading Performance Series buckets and optimized Z-bar linkage that combines the digging efficiency of a traditional Z-bar with tool carrier capabilities. The parallel lift and high tilt forces throughout the working range allow you to safely and confidently handle loads with precise control. Multi-function work has never been easier with dedicated pumps for each system and a flow sharing implement valve governed by an intelligent power management system. Simultaneously lift, steer and drive without compromise. The K Series Small Wheel Loader simply does what you ask it to do.
Have a seat in the updated K Series Small Wheel Loader and enjoy excellent all around visibility and low-effort joystick controls that move with you on a fully adjustable seat suspension. A large spacious operator environment combined with Caterpillar's exclusive hydraulic cylinder damping and smooth predictable controls make this the most comfortable seat on your job site.
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| Engine Model | Cat® C7.1 |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) (Standard Power Mode: Speed Range 1-3*) | 173 HP |
| Rated Net Power | 182 HP |
| Rated Net Power - 1,600 rpm - SAE J1349 (Standard Power Mode: Speed Range 1-3*) | 169 HP |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*) | 173 HP |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) | 175 HP |
| Bucket Capacities | 2.5-3.2 m3 (3.2-4.2 yd3) |
| Operating Weight | 34129 lb |
| Maximum Gross Power | 190 HP |
| ROPS | SAE J1040 MAY94, ISO 3471-1994 |
| FOPS | SAE J/ISO 3449 APR98, Level II, ISO 3449 1992 Level II |
| Axles - Front | 9.2 gal (US) |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4) | 188 HP |
| Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left | 3.1 turns |
| Maximum Flow - Implement Pump - 3rd Function* | 50 gal/min |
| Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) | 660 lb/ft |
| Front | Fixed; Open differential (standard); Locking differential (optional) |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s |
| Displacement (Standard Power Mode: Speed Range 1-3*) | 427 in³ |
| Note (1) | Cab and Rollover Protective Structures (ROPS) are standard. |
| Engine Crankcase | 5.2 gal (US) |
| Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed | 2.2 s |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) | 641 lb/ft |
| Maximum Working Pressure - Steering Pump | 3500 psi |
| Maximum Flow - Steering Pump | 34 gal/min |
| Maximum Working Pressure - Implement Pump | 4061 psi |
| Emissions | Engine meets Tier 3/Stage IIIA equivalent emission standards. |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time | 10.6 s |
| Forward and Reverse - Range 2 | 8 mile/h |
| Maximum Flow - Implement Pump | 50 gal/min |
| Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) | 672 lb/ft |
| Relief Pressure - Tilt Cylinder - 4th Function Maximum Working Pressure | 4061 psi |
| Note (1) | Other tire choices are available. Contact your Cat dealer for details. |
| Maximum Steering Torque - 40° (Full Turn) | 31398 lb/ft |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height | 1.7 s |
| Maximum Flow - Implement Pump - 4th Function Maximum Flow* | 40 gal/min |
| Forward and Reverse - Range 4 | 25 mile/h |
| Fuel Tank | 51.5 gal (US) |
| Other Choices Vary by Region (1) | 20.5 R25, radial (L-2); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 20.5 R25, radial (L-5); 650/65 R25 radial (L-3) |
| Note (2) | A semi-cab option is available. |
| Rated Net Power - 1,800 rpm - ISO 9249 (DIN) (Performance Power Mode: Speed Range 1-4) | 188 HP |
| Hydraulic Tank | 23.8 gal (US) |
| Note (3) | Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. |
| Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) | 634 lb/ft |
| Rear | Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional in some regions) |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) | 653 lb/ft |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height | 1.5 s |
| Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) | 646 lb/ft |
| Forward and Reverse - Range 3 | 17 mile/h |
| Hydraulic System - Including Tank | 44.9 gal (US) |
| Other Choices Vary by Region (2) | 20.5-25 12PR (L-2); Skidder/Agriculture; 20.5-25 12PR (L-3); Flexport™ Gen II |
| Note (3) | The declared exterior sound power level is 104 dB(A) when the value is measured according to “ISO 6395:2008.” |
| Bucket Capacities - General Purpose | 2.5-3.2 m3 (3.2-4.2 yd3) |
| Note (1) | Declared dynamic operator sound pressure level is 72 dB(A) when “ISO 6396:2008” is used to measure value for an enclosed cab. |
| Transmission - Gear Box | 2.9 gal (US) |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time | 9.7 s |
| Axles - Rear | 9.2 gal (US) |
| Cooling System | 8.5 gal (US) |
| Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure | 4061 psi |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) | 190 HP |
| Note (2) | The measurement was conducted at 70% of the maximum engine cooling fan speed, with the cab doors and cab windows closed. |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift | 6.2 s |
| Displacement (Performance Power Mode: Speed Range 1-4) | 427 in³ |
| Maximum Steering Torque - 0° (Straight Machine) | 42506 lb/ft |
| Note (2) | In certain applications, the loader's productive capabilities may exceed the tire's tonnes-km/h (ton-mph) capabilities. |
| Relief Pressure - Tilt Cylinder | 4351 psi |
| Rated Net Power - 1,800 rpm - SAE J1349 (Performance Power Mode: Speed Range 1-4) | 182 HP |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s |
| Note | *Adjustable from 20% to 100% of maximum flow through the secondary display, when equipped. |
| Bucket Capacities - Light Material | 3.1-5.0 m3 (4.0-6.5 yd3) |
| Note | *Creeper control allows max. speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the sec. display. |
| Standard Size | 20.5 R25, radial (L-3) |
| Notes | Factory default is 7 km/h (4.4 mph). |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift | 5.5 s |
| Steering Articulation Angle - Each Direction | 40° |
| Forward and Reverse - Range 1* | 1-13 km/h (0.6-8 mph) |
| Note | *Range 4 power is boosted to be the same as Performance Mode. |
| Engine Model | Cat® C7.1 |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) (Standard Power Mode: Speed Range 1-3*) | 127 kW |
| Rated Net Power | 136 kW |
| Rated Net Power - 1,600 rpm - SAE J1349 (Standard Power Mode: Speed Range 1-3*) | 126 kW |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*) | 129 kW |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) | 129 kW |
| Bucket Capacities | 2.5-3.2 m3 (3.2-4.2 yd3) |
| Operating Weight | 15485 kg |
| Maximum Gross Power | 140 kW |
| ROPS | SAE J1040 MAY94, ISO 3471-1994 |
| FOPS | SAE J/ISO 3449 APR98, Level II, ISO 3449 1992 Level II |
| Axles - Front | 35 l |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4) | 140 kW |
| Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left | 3.1 turns |
| Maximum Flow - Implement Pump - 3rd Function* | 190 l/min |
| Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) | 896 N·m |
| Front | Fixed; Open differential (standard); Locking differential (optional) |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s |
| Displacement (Standard Power Mode: Speed Range 1-3*) | 7.01 l |
| Note (1) | Cab and Rollover Protective Structures (ROPS) are standard. |
| Engine Crankcase | 19.5 l |
| Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed | 2.2 s |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) | 870 N·m |
| Maximum Working Pressure - Steering Pump | 24130 kPa |
| Maximum Flow - Steering Pump | 130 l/min |
| Maximum Working Pressure - Implement Pump | 28000 kPa |
| Emissions | Engine meets Tier 3/Stage IIIA equivalent emission standards. |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time | 10.6 s |
| Forward and Reverse - Range 2 | 13 km/h |
| Maximum Flow - Implement Pump | 190 l/min |
| Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) | 912 N·m |
| Relief Pressure - Tilt Cylinder - 4th Function Maximum Working Pressure | 28000 kPa |
| Note (1) | Other tire choices are available. Contact your Cat dealer for details. |
| Maximum Steering Torque - 40° (Full Turn) | 42570 N·m |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height | 1.7 s |
| Maximum Flow - Implement Pump - 4th Function Maximum Flow* | 150 l/min |
| Forward and Reverse - Range 4 | 40 km/h |
| Fuel Tank | 195 l |
| Other Choices Vary by Region (1) | 20.5 R25, radial (L-2); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 20.5 R25, radial (L-5); 650/65 R25 radial (L-3) |
| Note (2) | A semi-cab option is available. |
| Rated Net Power - 1,800 rpm - ISO 9249 (DIN) (Performance Power Mode: Speed Range 1-4) | 138 kW |
| Hydraulic Tank | 90 l |
| Note (3) | Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. |
| Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) | 860 N·m |
| Rear | Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional in some regions) |
| Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) | 886 N·m |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height | 1.5 s |
| Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) | 876 N·m |
| Forward and Reverse - Range 3 | 27 km/h |
| Hydraulic System - Including Tank | 170 l |
| Other Choices Vary by Region (2) | 20.5-25 12PR (L-2); Skidder/Agriculture; 20.5-25 12PR (L-3); Flexport™ Gen II |
| Note (3) | The declared exterior sound power level is 104 dB(A) when the value is measured according to “ISO 6395:2008.” |
| Bucket Capacities - General Purpose | 2.5-3.2 m3 (3.2-4.2 yd3) |
| Note (1) | Declared dynamic operator sound pressure level is 72 dB(A) when “ISO 6396:2008” is used to measure value for an enclosed cab. |
| Transmission - Gear Box | 11 l |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time | 9.7 s |
| Axles - Rear | 35 l |
| Cooling System | 32 l |
| Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure | 28000 kPa |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) | 140 kW |
| Note (2) | The measurement was conducted at 70% of the maximum engine cooling fan speed, with the cab doors and cab windows closed. |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift | 6.2 s |
| Displacement (Performance Power Mode: Speed Range 1-4) | 7.01 l |
| Maximum Steering Torque - 0° (Straight Machine) | 57630 N·m |
| Note (2) | In certain applications, the loader's productive capabilities may exceed the tire's tonnes-km/h (ton-mph) capabilities. |
| Relief Pressure - Tilt Cylinder | 30000 kPa |
| Rated Net Power - 1,800 rpm - SAE J1349 (Performance Power Mode: Speed Range 1-4) | 136 kW |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s |
| Note | *Adjustable from 20% to 100% of maximum flow through the secondary display, when equipped. |
| Bucket Capacities - Light Material | 3.1-5.0 m3 (4.0-6.5 yd3) |
| Note | *Creeper control allows max. speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the sec. display. |
| Standard Size | 20.5 R25, radial (L-3) |
| Notes | Factory default is 7 km/h (4.4 mph). |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift | 5.5 s |
| Steering Articulation Angle - Each Direction | 40° |
| Forward and Reverse - Range 1* | 1-13 km/h (0.6-8 mph) |
| Note | *Range 4 power is boosted to be the same as Performance Mode. |
Experience hybrid like fuel efficiency with an intelligent hydrostatic power train and industry leading fuel savings through a lower maximum engine speed of just 1,600 rpm in Standard Mode. Power when you need it with Caterpillar's exclusive Power-by-Range technology that increases power in Range 4 for improved speed on grade. For your toughest and most demanding applications a new Performance Mode will allow you to boost the power and hydraulic speed in all Ranges to get the job done even quicker. Meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards with a Cat® C7.1 engine that is designed to manage itself so you can concentrate on your work.
Move more with Caterpillar's patented quick loading Performance Series buckets and optimized Z-bar linkage that combines the digging efficiency of a traditional Z-bar with tool carrier capabilities. The parallel lift and high tilt forces throughout the working range allow you to safely and confidently handle loads with precise control. Multi-function work has never been easier with dedicated pumps for each system and a flow sharing implement valve governed by an intelligent power management system. Simultaneously lift, steer and drive without compromise. The K Series Small Wheel Loader simply does what you ask it to do.
Have a seat in the updated K Series Small Wheel Loader and enjoy excellent all around visibility and low-effort joystick controls that move with you on a fully adjustable seat suspension. A large spacious operator environment combined with Caterpillar's exclusive hydraulic cylinder damping and smooth predictable controls make this the most comfortable seat on your job site.
Meet your application requirements and individual preferences with Caterpillar's industry first Hystat™ Operator Modes featuring four unique power train settings. Select classic Torque Converter for smooth rollout, conventional Hystat for aggressive engine braking, an Ice Mode that maximizes your control on slippery underfoot, or default mode which blends the best of Hystat and Torque Converter characteristics. Fine tune machine performance with adjustments at your fingertips through the soft touch buttons and optional secondary display. Quickly set hydraulic response along with linkage kick-out positions, maximum wheel torque, and peak ground speed to efficiently perform a multitude of tasks.
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