938 Wheel Loader

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METRIC

938

OVERVIEW

FEATURES AT A GLANCE

SPECIFICATIONS

PRODUCT BROCHURES AND DOWNLOADS

TOOLS AND EXPERT HELP

MEDIA GALLERY

KEY SPECS

Rated Engine Power - ISO 14396 140kW188hp
Engine Model Cat C7.1*
Performance Mode Automatic

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OVERVIEW

FEATURES AT A GLANCE

Enjoy All Day Comfort

Have a seat in the new Cat small wheel loader and enjoy automatic temperature control, class leading sound levels, enhanced 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 hydraulic cylinder damping and smooth predictable controls make this the most comfortable seat on your jobsite.
An upgrade to multi-view camera and rear object detection gives you an extra eye on the jobsite while the new optional force feedback joystick steering keeps you feeling confident on those long shifts. The operator not present function helps to isolate the machine if you leave the environment; while seat belt notifications give you a gentle reminder to buckle up.

Efficiently Powerful

Experience the difference with an intelligent hydrostatic power train and industry leading fuel savings through a lower maximum engine speed working in combination with a new auto engine RPM mode. This provides efficiency as standard with a boost in power when you need it. Optimize traction and minimize wheel slip with a new Auto Wheel Torque system tuned to provide peak performance while maximizing tire life and keeping operating costs low. Track your production and accurately hit your load targets with Cat Payload.

Work Made Easy

Move more with the Caterpillar patented quick loading performance series buckets and optimized Z-bar linkage with enhanced forward visibility 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 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. Upgrade to autolube to make service easy and get to work quicker. Light the way with auto roading lights that come on at night fall.

Customize Your Experience

Meet your application requirements and individual preferences with Caterpillar 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, and an all new single pedal mode for simplified use.
Fine tune machine performance with adjustments at your fingertips through programmable joysticks, soft touch buttons, and a new jog dial that works in combination with a standard touch screen display. Quickly recall attachment profiles that maintain key settings for versatility onthe jobsite and optimal efficiency.

Upgrades and Services

Enjoy a full range of upgrades and accessories to configure your small wheel loader for a broader range of applications.
Utilize readily available services and maintenance parts including a range of self-service options (SSO) and dealer installed kits.

SPECIFICATIONS

Rated Engine Power - ISO 14396 140kW188hp
Engine Model Cat C7.1*
Performance Mode Automatic
Rated Gross Power - Rated Engine Speed 1800r/min1800r/min
Rated Engine Power - ISO 14396 (DIN) 190mhp190mhp
Rated Net Power - SAE J1349 at Minimum Fan Speed 136kW182hp
Rated Net Power - ISO 9249 at Minimum Fan Speed 136kW182hp
Rated Net Power - ISO 9249 (DIN) at Minimum Fan Speed 188mhp188mhp
Maximum Gross Torque - Engine Speed 1400r/min1400r/min
Maximum Gross Torque - ISO 14396 912N·m672ft·lbf
Maximum Net Torque - SAE J1349 876N·m646ft·lbf
Maximum Net Torque - ISO 9249 886N·m653ft·lbf
Displacement 7.01l427in³
Bore 105mm4in
Stroke 135mm5in
Note *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.
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.
Operating Weight 15399kg33948lb
Operating Weight - High Lift 15615kg34426lb
Bucket Capacities 2.5-5.0 m3 (3.3-6.5 yd3)
Steering Cylinder - Bore Diameter 80mm3.1in
Steering Cylinder - Rod Diameter 50mm2in
Steering Cylinder - Stroke 399mm15.7in
Maximum Flow - Steering Pump 130l/min34gal/min
Maximum Working Pressure - Steering Pump 24130kPa3500psi
Steering Cycle Times (Full Left to Full Right) - Minimum RPM: Pump Flow Limited 3.1s3.1s
Steering Cycle Times (Full Left to Full Right) - Maximum RPM: 90 RPM Steering Wheel Speed 2.3s2.3s
Maximum Flow - Implement Pump 190l/min50gal/min
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* 190l/min50gal/min
Maximum Flow - Implement Pump - 4th Function Maximum Flow* 160l/min42gal/min
Maximum Working Pressure - Implement Pump 28000kPa4061psi
Relief Pressure - Tilt Cylinder 30000kPa4351psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 28000kPa4061psi
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 30000kPa4351psi
Lift Cylinder: Standard Lift Linkage - Bore Diameter 120mm4.7in
Lift Cylinder: Standard Lift Linkage - Rod Diameter 65mm2.6in
Lift Cylinder: Standard Lift Linkage - Stroke 789mm31.1in
Tilt Cylinder: Standard Lift Linkage - Bore Diameter 150mm5.9in
Tilt Cylinder: Standard Lift Linkage - Rod Diameter 90mm3.5in
Tilt Cylinder: Standard Lift Linkage - Stroke 555mm21.9in
Hydraulic Cycle Time - Raise, Ground Level to Maximum Lift 5.5s5.5s
Hydraulic Cycle Time - Dump (at Maximum Lift Height) 1.5s1.5s
Hydraulic Cycle Time - Float Down, Maximum Lift to Ground Level 2.7s2.7s
Hydraulic Cycle Time - Total Cycle Time 9.7s9.7s
Note *3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped.
Fuel Tank 195l51.5gal (US)
Cooling System 32l8.5gal (US)
Engine Crankcase 19.5l5.2gal (US)
Transmission - Gear Box 8.5l2.2gal (US)
Front Axles 35l9.2gal (US)
Rear Axles 35l9.2gal (US)
Hydraulic System - Including Tank 170l45gal (US)
Hydraulic Tank 90l23.8gal (US)
Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph)
Forward and Reverse - Range 2 13km/h8mile/h
Forward and Reverse - Range 3 27km/h17mile/h
Forward and Reverse - Range 4 40km/h25mile/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).
Standard Size 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)
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.
ROPS ISO 3471:2008
FOPS ISO 3449:2005 LEVEL II
Front Fixed; Open differential (standard); Locking differential (optional)
Rear 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).
Operator Sound Pressure (ISO 6396:2008) 68dB(A)68dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 101dB(A)101dB(A)
Note (1) Measurements were conducted with properly installed and maintained cab doors and windows closed.
Recyclability 96%
Height - Ground to Cab** 3340mm131.5in
Height - Ground to Beacon** 3707mm146in
Height - Ground to Axle Center** 685mm26.9in
Height - Ground Clearance** 386mm15.1in
Length - Overall* 7666mm301.8in
Length - Rear Axle to Bumper 1968mm77.4in
Length - Hitch to Front Axle 1525mm60in
Length - Wheel Base 3050mm120in
Clearance - Bucket at 45°* 2822mm111.1in
Clearance - Load over Height** 3354mm132in
Clearance - Level Bucket** 3642mm143.3in
Height - Bucket Pin** 3969mm156.2in
Height - Overall** 5301mm208.7in
Reach - Bucket at 45°* 1146mm45.1in
Carry Height - Bucket Pin 418mm16.4in
Dig Depth** 100mm3.9in
Width - Bucket 2750mm108.2in
Width - Tread Center 2083mm82in
Turning Radius - Over Bucket 6127mm241.2in
Width - Over Tires 2693mm106in
Turning Radius - Outside of Tires 5546mm218.3in
Turning Radius - Inside of Tires 2843mm111.9in
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)* 11801kg26017lb
Tipping Load - Full Turn (ISO 14397-1:2007)* 10123kg22318lb
Breakout* 13082kg28841lb
Operating Weight 15399kg33948lb
Note (1) *Vary with bucket.
Note (2) **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.
Height - Ground to Cab** 3340mm131.5in
Height - Ground to Beacon** 3707mm146in
Height - Ground to Axle Center** 685mm26.9in
Height - Ground Clearance** 386mm15.1in
Length - Overall* 8406mm331in
Length - Rear Axle to Bumper 1968mm77.4in
Length - Hitch to Front Axle 1525mm60in
Length - Wheel Base 3050mm120in
Clearance - Bucket at 45°* 3403mm134in
Clearance - Load over Height** 3561mm132.3in
Clearance - Level Bucket** 4223mm166.2in
Height - Bucket Pin** 4550mm179.1in
Height - Overall** 5881mm231.5in
Reach - Bucket at 45°* 1413mm55.6in
Carry Height - Bucket Pin 633mm24.9in
Dig Depth** 135mm5.3in
Width - Bucket 2750mm108.2in
Width - Tread Center 2083mm82in
Turning Radius - Over Bucket 6488mm255.4in
Width - Over Tires 2693mm106in
Turning Radius - Outside of Tires 5546mm218.3in
Turning Radius - Inside of Tires 2843mm111.9in
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)* 8796kg19392lb
Tipping Load - Full Turn (ISO 14397-1:2007)* 7477kg16484lb
Breakout* 12575kg27723lb
Operating Weight 15616kg34426lb
Note (1) *Vary with bucket.
Note (2) **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.