938K

938K

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.

Description

Engine Model Cat® C7.1 ACERT™
Maximum Gross Power – 1,600 rpm – ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) 129 kW
Maximum Gross Power – 1,600 rpm – ISO 14396 (Standard Power Mode: Range 1-3*) 129 kW
Rated Net Power 136 kW
Rated Net Power – 1,600 rpm – ISO 9249 (DIN) (Standard Power Mode: Speed Range 1-3*) 127 kW
Rated Net Power – 1,600 rpm – SAE J1349 (Standard Power Mode: Speed Range 1-3*) 126 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
Front Fixed; Open differential (standard); Locking differential (optional)
Rear Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional in some regions)
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)
Note (1) Cab and Rollover Protective Structures (ROPS) are standard.
Note (2) A semi-cab option is available.
Displacement (Performance Power Mode: Speed Range 1-4) 7.01 l
Displacement (Standard Power Mode: Speed Range 1-3*) 7.01 l
Emissions Engine meets Tier 3/Stage IIIA equivalent emission standards.
Maximum Gross Power – 1,800 rpm – ISO 14396 (DIN) (Performance Power Mode: Range 1-4) 140 kW
Maximum Gross Power – 1,800 rpm – ISO 14396 (Performance Power Mode: Range 1-4) 140 kW
Maximum Gross Torque – ISO 14396 (Performance Power Mode: Range 1-4) 912 N·m
Maximum Gross Torque – ISO 14396 (Standard Power Mode: Range 1-3*) 896 N·m
Maximum Net Torque – ISO 9249 (1977)/EEC 80/1269 (Performance Power Mode: Range 1-4) 886 N·m
Maximum Net Torque – ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*) 870 N·m
Maximum Net Torque – SAE J1349 (Performance Power Mode: Range 1-4) 876 N·m
Maximum Net Torque – SAE J1349 (Standard Power Mode: Range 1-3*) 860 N·m
Note *Range 4 power is boosted to be the same as Performance Mode.
Rated Net Power – 1,800 rpm – ISO 9249 (DIN) (Performance Power Mode: Speed Range 1-4) 138 kW
Rated Net Power – 1,800 rpm – SAE J1349 (Performance Power Mode: Speed Range 1-4) 136 kW
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 – Float Down, Maximum Lift to Ground Level 2.7 s
Hydraulic Cycle Time – Performance Mode at 1,800 rpm – Raise, Ground Level to Maximum Lift 5.5 s
Hydraulic Cycle Time – Performance Mode at 1,800 rpm – Total Cycle Time 9.7 s
Hydraulic Cycle Time – Standard Mode at 1,600 rpm – Dump, at Maximum Lift Height 1.7 s
Hydraulic Cycle Time – Standard Mode at 1,600 rpm – Float Down, Maximum Lift to Ground Level 2.7 s
Hydraulic Cycle Time – Standard Mode at 1,600 rpm – Raise, Ground Level to Maximum Lift 6.2 s
Hydraulic Cycle Time – Standard Mode at 1,600 rpm – Total Cycle Time 10.6 s
Maximum Flow – Implement Pump 190 l/min
Maximum Flow – Implement Pump – 3rd Function* 190 l/min
Maximum Flow – Implement Pump – 4th Function Maximum Flow* 150 l/min
Maximum Working Pressure – Implement Pump 28000 kPa
Note *Adjustable from 20% to 100% of maximum flow through the secondary display, when equipped.
Relief Pressure – Tilt Cylinder 30000 kPa
Relief Pressure – Tilt Cylinder – 3rd Function Maximum Working Pressure 28000 kPa
Relief Pressure – Tilt Cylinder – 4th Function Maximum Working Pressure 28000 kPa
Axles – Front 35 l
Axles – Rear 35 l
Cooling System 32 l
Engine Crankcase 19.5 l
Fuel Tank 195 l
Hydraulic System – Including Tank 170 l
Hydraulic Tank 90 l
Transmission – Gear Box 11 l
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.
Note (3) The declared exterior sound power level is 104 dB(A) when the value is measured according to “ISO 6395:2008.”
Maximum Flow – Steering Pump 130 l/min
Maximum Steering Torque – 0° (Straight Machine) 57630 N·m
Maximum Steering Torque – 40° (Full Turn) 42570 N·m
Maximum Working Pressure – Steering Pump 24130 kPa
Number of Steering Wheel Turns – Full Left to Full Right or Full Right to Full Left 3.1 turns
Steering Articulation Angle – Each Direction 40°
Steering Cycle Times – Full Left to Full Right – At 1,800 rpm: 90 rpm Steering Wheel Speed 2.2 s
Note (1) 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.
Note (3) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
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)
Other Choices Vary by Region (2) 20.5-25 12PR (L-2); Skidder/Agriculture; 20.5-25 12PR (L-3); Flexport™ Gen II
Standard Size 20.5 R25, radial (L-3)
Forward and Reverse – Range 1* 1-13 km/h (0.6-8 mph)
Forward and Reverse – Range 2 13 km/h
Forward and Reverse – Range 3 27 km/h
Forward and Reverse – Range 4 40 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).

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