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938M Waste Handler Small Wheel Loader
938M Aggregate Handler Small Wheel Loader
988 Wheel Loader

Engine

Maximum Gross Power 188 hp 188 hp -
Bore 4 in 4 in 5.7 in
Stroke 5 in 5 in 7.2 in
Displacement 427 in³ 427 in³ 1105 in³
Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) 1800 r/min 1800 r/min -
Note (2) Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the 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 the engine is equipped with alternator, air cleaner, emission components and fan at specified speed. Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Maximum Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4) 649 ft·lbf - -
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) 664 ft·lbf 664 ft·lbf -
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) 1600 r/min 1600 r/min -
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*) 173 hp 173 hp -
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) 642 ft·lbf 642 ft·lbf -
Engine Model Cat® C7.1 Cat® C7.1 Cat® C18
Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) 627 ft·lbf 627 ft·lbf -
Note (3) No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems. -
Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4) 188 hp 188 hp -
Emissions The Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage V and Korea Tier 4 Final emission standards. The Cat C7.1 engine meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 4 Final emission standards. -
Note (1) *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emissio
Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) 650 ft·lbf - -
Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) 628 ft·lbf - -
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4) 186 hp 186 hp -
Engine Power - ISO 14396:2002 188 hp - 580 hp
Engine Power - ISO 14396 - Metric 190 hp - -
Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4) 190 hp 190 hp -
Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 184 hp 184 hp -
Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) 183 hp 183 hp -
Net Power (Standard Power Mode: Range 1-3*) 1600 r/min 1600 r/min -
Net Power (Performance Power Mode: Range 1-4) 1800 r/min 1800 r/min -
Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*) 176 hp 176 hp -
Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170 hp 170 hp -
Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 170 hp 170 hp -
Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) 172 hp 172 hp -
Maximum Rated Gross Power - ISO 14396 - 188 hp -
Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) - 649 ft·lbf -
Maximum Net Torque - ISO 9249 (Performance Power Mode: Range 1-4) - 650 ft·lbf -
Maximum Rated Gross Power - ISO 14396 (metric) - 190 hp -
Maximum Net Torque - ISO 9249 (Standard Power Mode: Range 1-3*) - 628 ft·lbf -
Rated Speed - - 1700/rpm
Peak Power Speed - - 1500/rpm
Gross Power - SAE J1995:2014 - - 588 hp
Net Power - SAE J1349:2011 - - 538 hp
Peak Torque - 1,200 rpm - - 2104 lbf·ft
Torque Rise - - 58 %

Weights

Operating Weight 41794 lb 36839 lb -
Operating Weight (1) 17 258 kg (38,046 lb)** 16 199 kg (35,712 lb)** -
Operating Weight (2) 18 958 kg (41,794 lb)^ 16 710 kg (36,839 lb)^ -
Note (2) ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires. ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. -
Note (1) **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires. **Aggregate Handler machine equipped with full counterweight and optional guards. -

Buckets

Bucket Capacities 3.0-5.0 m3 (3.9-6.5 yd3) 2.9-5.0 m3 (3.8-6.5 yd3) -

Cab

ROPS ISO 3471:2008 ISO 3471:2008 -
FOPS ISO 3449:2005 LEVEL II ISO 3449:2005 LEVEL II -
Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)* 101 dB(A) - -
Note (1) * Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows cl * Measurements were conducted with cab doors and windows closed and at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. -
Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)* 68 dB(A) - -
Declared Sound Levels - Declared Sound Levels
– Operator Sound Pressure Level (ISO 6396:2008): 68 dB(A)*
– Exterior Sound Power Level (ISO 6395:2008): 101 dB(A)*
-

Operating Specifications

Note (1) **Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires. **Aggregate Handler machine equipped with full counterweight and optional guards. -
Full Turn Tip Load (1) 9795 kg (21,594 lb)** 10 551 kg (23,260 lb)** -
Note (2) ^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires. ^Aggregate Handler equipped with full counterweight, optional guards, roading fenders, cold start package, and 23.5R25 tires. -
Full Turn Tip Load (2) 10 741 kg (23,679 lb)^ 10 662 kg (23,504 lb)^ -
Operating Weight - - 112574 lb
Bucket Capacity Range - - 4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face - - 12.5 t
Rated Payload - Loose Material - - 16 t
Cat Truck Match - Standard - - 770 - 772
Cat Truck Match - High Lift - - 773 - 775

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the flourinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential – 1430. The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. • The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system

Loader Hydraulic System

Maximum Flow - Implement Pump - 4th Function Maximum Flow* 42 gal/min 42 gal/min -
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure 4351 psi 4351 psi -
Relief Pressure - Tilt Cylinder 4351 psi 4351 psi -
Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure 4061 psi 4061 psi -
Note (1) Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder. -
Maximum Flow - Implement Pump 50 gal/min 50 gal/min -
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Raise (Ground Level to Maximum Lift) 5.5/6.2 seconds 5.5/6.2 seconds -
Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). -
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time 9.7/10.6 seconds 9.7/10.6 seconds -
Maximum Working Pressure - Implement Pump 4061 psi 4061 psi -
Note (3) * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped. * 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the secondary display when equipped. -
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Float Down (Maximum Lift to Ground Level) 2.7/2.7 seconds 2.7/2.7 seconds -
Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Dump (at Maximum Lift Height) 1.5/1.7 seconds 1.5/1.7 seconds -
Maximum Flow - Implement Pump - 3rd Function Maximum Flow* 50 gal/min 50 gal/min -
Lift Cylinder: Standard Lift Linkage - Stroke 31.1 in - -
Tilt Cylinder: Standard Lift Linkage - Rod Diameter 3.5 in - -
Lift Cylinder: Standard Lift Linkage - Rod Diameter 2.6 in - -
Tilt Cylinder: Standard Lift Linkage - Bore Diameter 5.9 in - -
Lift Cylinder: Standard Lift Linkage - Bore Diameter 4.7 in - -
Tilt Cylinder: Standard Lift Linkage - Stroke 21.9 in - -
Tilt Cylinder, Double Acting - Bore Diameter - 5.9 in -
Tilt Cylinder, Double Acting - Rod Diameter - 3.5 in -
Tilt Cylinder, Double Acting - Stroke - 21.9 in -
Lift Cylinder, Double Acting - Stroke - 31.1 in -
Lift Cylinder, Double Acting - Bore Diameter - 4.7 in -
Lift Cylinder, Double Acting - Rod Diameter - 2.6 in -

Steering

Maximum Steering Torque - 0° (Straight Machine) 42506 ft·lbf - -
Maximum Steering Torque - 40° (Full Turn) 31398 ft·lbf - -
Maximum Working Pressure - Steering Pump 3500 psi 3500 psi -
Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed 2.3 s 2.3 s -
Steering Cylinder, Double Acting - Bore Diameter 3.1 in 3.1 in -
Steering Cylinder, Double Acting - Stroke 15.7 in 15.7 in -
Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited 3.1 s 3.1 s -
Note (1) Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders. -
Steering Cylinder, Double Acting - Rod Diameter 2 in 2 in -
Maximum Flow - Steering Pump 34 gal/min 34 gal/min -
Note (2) Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). Flow values listed are for a machine running in Performance Power Mode (1,800 rpm). -

Transmission

Forward and Reverse - Range 2 8 mile/h 8 mile/h -
Forward and Reverse - Range 4 25 mile/h 25 mile/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 touch screen 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). -
Forward and Reverse - Range 3 17 mile/h 17 mile/h -
Forward and Reverse - Range 1* 1-13 km/h (0.6-8 mph) 1-13 km/h (0.6-8 mph) -
Transmission Type - - Cat planetary powershift
Forward - 1 - - 4 mile/h
Forward - 2 - - 7.2 mile/h
Forward - 3 - - 12.7 mile/h
Forward - 4 - - 21.6 mile/h
Reverse - 1 - - 4.7 mile/h
Reverse - 2 - - 8.3 mile/h
Reverse - 3 - - 14.4 mile/h
Direct Drive - Forward 1 - - Lock-up disabled
Direct Drive - Forward 2 - - 7.8 mile/h
Direct Drive - Forward 3 - - 13.9 mile/h
Direct Drive - Forward 4 - - 24.4 mile/h
Direct Drive - Reverse 1 - - 5 mile/h
Direct Drive - Reverse 2 - - 8.9 mile/h
Direct Drive - Reverse 3 - - 15.8 mile/h

Power Train

Front Axle - Traction Aid Locking differential - -
Note (1) Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency. -
Rear Axle Oscillating Oscillating -
Note (3) Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M. *Differential front locking axle can be engaged on the go at full torque to 20 km/h (12.4 mph) on the 938M. -
Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65 ± 10.5 degrees ± 10.5 degrees -
Rear Axle - Traction Aid - Optional Limited slip differential Limited slip differential -
Rear Axle - Oscillation Angle by Tire Size - 23.5 R25 ± 7 degrees ± 7 degrees -
Brakes - Service Inboard wet disc Outboard wet disc -
Note (2) Offset rims available to meet European roading requirements. Offset rims available to meet European roading requirements. -
Brakes - Parking Spring applied hydraulically released Spring applied hydraulically released -
Front Axle Fixed Fixed -
Rear Axle - Oscillation Angle by Tire Size - Solid Tires, 750/65, 620/65, Skidder ± 7 degrees - -
Front Axle - Traction Aid* - Locking differential (standard) -

Sustainability

Recyclability 94% 94% -

Service Refill Capacities

Axles - Rear 9.2 gal (US) - -
Fuel Tank 51.5 gal (US) 51.5 gal (US) 188 gal (US)
Axles - Front 9.2 gal (US) - -
Transmission - Gear Box 2.9 gal (US) 2.9 gal (US) -
Hydraulic System - Including Tank 44.9 gal (US) 44.9 gal (US) -
Engine Crankcase 5.3 gal (US) 5.3 gal (US) -
Diesel Exhaust Fluid (DEF) Tank 5 gal (US) 5 gal (US) -
Cooling System 8.5 gal (US) 8.5 gal (US) 31.7 gal (US)
Hydraulic Tank 23.8 gal (US) 23.8 gal (US) -
Rear Axles - 9.2 gal (US) -
Front Axles - 9.2 gal (US) -
Coolant (Validated by Test Cell Fill Quantities) - - 33 gal (US)
Crankcase - - 15.9 gal (US)
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) - - 8.7 gal (US)
Transmission - - 24.3 gal (US)
Transmission - Validated by Test Cell Fill Quantities - - 29 gal (US)
Differential - Final Drives - Front - - 49.1 gal (US)
Differential - Final Drives - Rear - - 49.1 gal (US)
Hydraulic System Factory Fill - - 125.5 gal (US)
Hydraulic System - Tank Only - - 63.4 gal (US)
Note - - • All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit - - EH- Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump - - Variable displacement piston
Maximum Flow at 1,400-1,860 rpm - - 153 gal/min
Relief Valve Setting - Lift/Tilt - - 4757 psi
Cylinders, Double Acting - Lift, Bore and Stroke - - 210 mm × 1050 mm (8.7 in × 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke - - 266 mm × 685 mm (8.7 in × 27 in)
Pilot System - - Variable displacement piston
Relief Valve Setting - Main - - 551 psi

Hydraulic Cycle Time (1,400-1,860 rpm)

Rack Back - - 4.5 s
Raise - - 8 s
Dump - - 2.2 s
Lower Float Down - - 3.5 s
Total Hydraulic Cycle Time - Empty Bucket - - 18.2 s

Hydraulic System - Steering

Steering System - Circuit - - Pilot, load sensing
Steering System - Pump - - Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm - - 71.3 gal/min
Relief Valve Setting - Steering - - 4351 psi
Total Steering Angle - - 86 °
Steering Cycle Times - High Idle - - 3.4 s
Steering Cycle Times - Low Idle - - 5.6 s

Axles

Front - - Fixed
Rear - - Trunnion
Oscillation Angle - - 13 °

Brakes

Brakes - - ISO 3450:2011

Operator's Cab

ROPS/FOPS - - ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008) - - 73 dB(A)
Machine Sound Power Level (ISO 6395:2008) - - 111 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* - - 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)** - - 109 dB(A)
Note (1) - - * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
Note (2) - - ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
Note (3) - - The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4) - - The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5) - - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Sound Performance - Tier 3 / Stage IIIA

Operator Sound Pressure Level (ISO 6396:2008) - - 73 dB(A)
Machine Sound Power Level (ISO 6395:2008) - - 112 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)* - - 72 dB(A)
Machine Sound Power Level (ISO 6395:2008)** - - 110 dB(A)
Note (1) - - * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
Note (2) - - ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
Note (3) - - The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4) - - The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5) - - Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS - - 13.8 ft
Ground to Top of Exhaust Stacks - - 14.8 ft
Ground to Top of Hood - - 10.9 ft
Rear Axle - Centerline to Bumper - - 10.5 ft
Front Axle Centerline to Bucket Tip - - 14 ft
Wheel Base - - 14.9 ft
Maximum Overall Length - - 39.3 ft
Ground to Lower Hitch Clearance - - 1.9 ft
Clearance at Maximum Lift - - 11.9 ft
B-Pin Height - Maximum Lift - - 18 ft
Maximum Overall Height - Bucket Raised - - 24.5 ft
Reach - Maximum Lift - - 6.5 ft

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS - - 13.8 ft
Ground to Top of Exhaust Stacks - - 14.8 ft
Ground to Top of Hood - - 10.9 ft
Rear Axle - Centerline to Bumper - - 10.5 ft
Front Axle Centerline to Bucket Tip - - 15.3 ft
Wheel Base - - 14.9 ft
Maximum Overall Length - - 40.7 ft
Ground to Lower Hitch Clearance - - 1.9 ft
Clearance at Maximum Lift - - 13.3 ft
B-Pin Height - Maximum Lift - - 19.3 ft
Maximum Overall Height - Bucket Raised - - 25.8 ft
Reach - Maximum Lift - - 6.8 ft
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