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Small Wheel Loaders

Cat® wheel loaders come in many different configurations to meet your requirements in all regions of the world.

Wheel Loaders for Any Job

Whether you need a wheel loader for use in landscaping, agricultural, construction, waste management, forestry, or mining applications. Caterpillar wheel loaders make your material handling and loading jobs safer, faster, more precise and profitable.

Cat wheel loaders set the standard for reliability, productivity, fuel efficiency, versatility and operator comfort. These environmentally friendly front end loader machines apply proven technologies systematically and strategically to meet our customer’s high expectations. Deep system integration results in reduced emissions and improved fuel economy without interrupting machine performance. Make your Cat wheel loader even more versatile by pairing it with Caterpillar’s broad range of work tools.

Select from a wide variety of front loaders in every size class: Compact Wheel Loaders, Small Wheel Loaders, Medium Wheel Loaders and Large Wheel Loaders. No matter what your material or handling job is, your Cat dealer can help you choose the wheel loader that best matches your needs.

938K Small Wheel Loader

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 ACERT engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard.

  • Specification Summary

  • 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
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Product Details

Engine

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
Maximum Gross Power 140 kW
Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4) 140 kW
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 896 N·m
Displacement (Standard Power Mode: Speed Range 1-3*) 7.01 l
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) 870 N·m
Emissions Engine meets Tier 3/Stage IIIA equivalent emission standards.
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 912 N·m
Rated Net Power - 1,800 rpm - ISO 9249 (DIN) (Performance Power Mode: Speed Range 1-4) 138 kW
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 860 N·m
Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) 886 N·m
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) 876 N·m
Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 140 kW
Displacement (Performance Power Mode: Speed Range 1-4) 7.01 l
Rated Net Power - 1,800 rpm - SAE J1349 (Performance Power Mode: Speed Range 1-4) 136 kW
Note *Range 4 power is boosted to be the same as Performance Mode.

Buckets

Bucket Capacities 2.5-3.2 m3 (3.2-4.2 yd3)
Bucket Capacities - General Purpose 2.5-3.2 m3 (3.2-4.2 yd3)
Bucket Capacities - Light Material 3.1-5.0 m3 (4.0-6.5 yd3)

Weights

Operating Weight 15485 kg

Cab

ROPS SAE J1040 MAY94, ISO 3471-1994
FOPS SAE J/ISO 3449 APR98, Level II, ISO 3449 1992 Level II
Note (1) Cab and Rollover Protective Structures (ROPS) are standard.
Note (2) A semi-cab option is available.

Service Refill Capacities

Axles - Front 35 l
Engine Crankcase 19.5 l
Fuel Tank 195 l
Hydraulic Tank 90 l
Hydraulic System - Including Tank 170 l
Transmission - Gear Box 11 l
Axles - Rear 35 l
Cooling System 32 l

Steering

Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left 3.1 turns
Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed 2.2 s
Maximum Working Pressure - Steering Pump 24130 kPa
Maximum Flow - Steering Pump 130 l/min
Maximum Steering Torque - 40° (Full Turn) 42570 N·m
Maximum Steering Torque - 0° (Straight Machine) 57630 N·m
Steering Articulation Angle - Each Direction 40°

Loader Hydraulic System

Maximum Flow - Implement Pump - 3rd Function* 190 l/min
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level 2.7 s
Maximum Working Pressure - Implement Pump 28000 kPa
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time 10.6 s
Maximum Flow - Implement Pump 190 l/min
Relief Pressure - Tilt Cylinder - 4th Function Maximum Working Pressure 28000 kPa
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
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height 1.5 s
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time 9.7 s
Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure 28000 kPa
Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift 6.2 s
Relief Pressure - Tilt Cylinder 30000 kPa
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.
Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Raise, Ground Level to Maximum Lift 5.5 s

Axles

Front Fixed; Open differential (standard); Locking differential (optional)
Rear Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional in some regions)

Transmission

Forward and Reverse - Range 2 13 km/h
Forward and Reverse - Range 4 40 km/h
Forward and Reverse - Range 3 27 km/h
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.
Notes Factory default is 7 km/h (4.4 mph).
Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph)

Tires

Note (1) Other tire choices are available. Contact your Cat dealer for details.
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 (3) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Other Choices Vary by Region (2) 20.5-25 12PR (L-2); Skidder/Agriculture; 20.5-25 12PR (L-3); Flexport™ Gen II
Note (2) In certain applications, the loader's productive capabilities may exceed the tire's tonnes-km/h (ton-mph) capabilities.
Standard Size 20.5 R25, radial (L-3)

Sound

Note (3) The declared exterior sound power level is 104 dB(A) when the value is measured according to “ISO 6395:2008.”
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.
Note (2) The measurement was conducted at 70% of the maximum engine cooling fan speed, with the cab doors and cab windows closed.

K Series – Making Your Choice Easy:

Enjoy All Day Comfort

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.

Work Made Easy

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.

Efficiently Powerful

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 ACERT™ engine that is designed to manage itself so you can concentrate on your work.

Customize Your Experience

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.
  • POWER TRAIN
    •  Auto idle shut down feature
    •  Cat C7.1 ACERT engine<ul><li>Power modes (Standard and Performance)</li><li>Power by range (High Power in Range 4)</li><li>Turbocharged and aftercooled</li><li>Filtered crankcase breather</li></ul>
    •  Coded start (requires secondary display)
    •  Coolant protection to –34° C (–29° F)
    •  Enclosed wet disc full hydraulic brakes
    •  Fuel priming pump, automatic
    •  Hydraulically driven demand cooling fan
    •  Hydrostatic transmission with electronic control<ul><li>Operator modes (Default, TC, Hystat, and Ice)</li><li>Directional Shift Aggressiveness (fast, medium, slow)</li><li>Rimpull control, adjust wheel torque</li>&
    •  Parking brake, electric
    •  Single plane cooling package wide six fins per inch density
    •  Throttle lock and max speed limiter
  • Auto idle shut down feature
    • Cat C7.1 ACERT engine
      • Power modes (Standard and Performance)
      • Power by range (High Power in Range 4)
      • Turbocharged and aftercooled
      • Filtered crankcase breather
        • Coded start (requires secondary display)
          • Coolant protection to –34° C (–29° F)
            • Enclosed wet disc full hydraulic brakes
              • Fuel priming pump, automatic
                • Hydraulically driven demand cooling fan
                  • Hydrostatic transmission with electronic control
                    • Operator modes (Default, TC, Hystat, and Ice)
                    • Directional Shift Aggressiveness (fast, medium, slow)
                    • Rimpull control, adjust wheel torque
                    • &
                      • Parking brake, electric
                        • Single plane cooling package wide six fins per inch density
                          • Throttle lock and max speed limiter
                            • HYDRAULICS
                              •  Automatic lift and bucket kickouts, adjustable in-cab
                              •  Bucket and fork modes, adjustable in-cab
                              •  Cylinder damping at kickout and mechanical end stops
                              •  Fine mode control (fast, medium, slow) in fork mode
                              •  Hydraulic response setting (fast, medium, slow)
                              •  Hydraulic diagnostic connectors and S·O·SSM ports
                              •  Load sensing hydraulics and steering
                            • ELECTRICAL
                              •  Alternator, 115 amp, heavy duty
                              •  12V power supply in cab (2)
                              •  Batteries, 1,000 CCA (2) 24V system, disconnect switch
                              •  Back-up alarm
                              •  Emergency shutdown switch
                              •  Halogen work and roading lights, LED rear tail lights
                              •  Remote jump start post
                              •  Resettable main and critical function breakers
                            • OPERATOR ENVIRONMENT
                              •  75 mm (3 in) retractable seat belt, with audible alarm and indicator
                              •  Automatic temperature control
                              •  External heated mirrors with lower parabolic
                              •  Hydraulic control lockout
                              •  Interior cab lighting, door and dome
                              •  Interior rearview mirrors (2)
                              •  Lunch box storage
                              •  Radio ready speakers
                              •  Rear window defrost, electric
                              •  Seat-mounted electronic implement controls, adjustable
                              •  Column mounted multi function control – lights, wipers, turn signal
                              •  Tilt and telescopic steering wheel
                              •  Tinted front glass
                              •  Wet arm wiper/washer, 2-speed and intermittent, front
                            • 75 mm (3 in) retractable seat belt, with audible alarm and indicator
                              • Automatic temperature control
                                • External heated mirrors with lower parabolic
                                  • Hydraulic control lockout
                                    • Interior cab lighting, door and dome
                                      • Interior rearview mirrors (2)
                                        • Lunch box storage
                                          • Radio ready speakers
                                            • Rear window defrost, electric
                                              • Seat-mounted electronic implement controls, adjustable
                                                • Column mounted multi function control – lights, wipers, turn signal
                                                  • Tilt and telescopic steering wheel
                                                    • Tinted front glass
                                                      • Wet arm wiper/washer, 2-speed and intermittent, front
                                                        • OTHER STANDARD EQUIPMENT
                                                          •  Large-access enclosure doors with adjustable close/open force
                                                          •  Parallel lift loader linkage
                                                        • Large-access enclosure doors with adjustable close/open force
                                                          • Parallel lift loader linkage
                                                        • Auto lube, integrated in secondary display
                                                          • Auxiliary flow, third and fourth function, adjustable through secondary display
                                                            • Beacon light, strobe
                                                              • Cab, deluxe
                                                                •  Electrically adjustable external heated mirrors (2)
                                                                •  Secondary display to enable features and adjust parameters
                                                                •  Sunscreen, front and rear
                                                              • Camera, rearview
                                                                • Cold start package
                                                                  • Corrosion protection package
                                                                    • Counterweight, (heavy and logger)
                                                                      • Coupler, (Fusion™ and ISO 23727)
                                                                        • Debris packages (low, medium, high)
                                                                          • Differential lock, front axle
                                                                            • Fenders (extended cover and full coverage)
                                                                              • Guarding (machine and operator)
                                                                                • Linkage, high lift
                                                                                  • Lights, auxiliary, halogen or LED with engine compartment lights
                                                                                    • Object Detection
                                                                                      • Product Link™ PRO and ELITE with capabilities for software push, data logging, histogram and trend mapping
                                                                                        • Radio packages
                                                                                          • Rear wiper
                                                                                            • Ride Control System, adjustable through secondary display
                                                                                              • Seats
                                                                                                •  Deluxe seat – fully adjustable fabric air suspension seat with mid backrest and mechanical lumbar support
                                                                                                •  Premium seat – fully adjustable leather and fabric air suspension with high backrest and air lumbar support. Seat is heated and ventilated on bottom cushion and backrest.
                                                                                              • Deluxe seat – fully adjustable fabric air suspension seat with mid backrest and mechanical lumbar support
                                                                                                • Premium seat – fully adjustable leather and fabric air suspension with high backrest and air lumbar support. Seat is heated and ventilated on bottom cushion and backrest.
                                                                                                  • Steering
                                                                                                    •  Dual mode and secondary
                                                                                                  • Dual mode and secondary
                                                                                                    • CE Certification
                                                                                                      • NOTE: Not all features are available in all regions.
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