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 938M Small Wheel Loader |
 990 Wheel Loader |
 980 |
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Engine |
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| Maximum Gross Power | 188 HP | - | - |
| Displacement (Standard Power Mode: Speed Range 1-3*) | 427 in³ | - | - |
| Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*) | 1600 r/min | - | - |
| Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 183 HP | - | - |
| Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*) | 642 ft·lbf | - | - |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*) | 176 mhp | - | - |
| Maximum Net Torque - SAE J1349 (Performance Power Mode: Range 1-4) | 649 ft·lbf | - | - |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (Performance Power Mode: Range 1-4) | 188 HP | - | - |
| Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 172 mhp | - | - |
| Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*) | 627 ft·lbf | - | - |
| Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 186 mhp | - | - |
| Maximum Rated Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4) | 1800 r/min | - | - |
| Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4) | 664 ft·lbf | - | - |
| Displacement (Performance Power Mode: Speed Range 1-4) | 427 in³ | - | - |
| Maximum Gross Power - 1,800 rpm - ISO 14396 (DIN) (Performance Power Mode: Range 1-4) | 190 mhp | - | - |
| Note (1) | 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. | - | Cat engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, China Nonroad Stage IV and Japan 2014 emission standards. |
| Engine Model | Cat C7.1 ACERT** | C27 Cat® | Cat C13 |
| Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 170 HP | - | - |
| Maximum Gross Power - 1,600 rpm - ISO 14396 (Standard Power Mode: Range 1-3*) | 173 HP | - | - |
| Note (2) | *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology. | - | The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and aftertreatment. |
| Note (3) | **The Cat C7.1 ACERT engine meets Tier 4 Final/Stage V off-highway emission standards. | - | Cat 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)* • 100% renewable diesel, HVO (h |
| Rated Net Power - 1,600 rpm - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*) | 170 HP | - | - |
| Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*) | 628 ft·lbf | - | - |
| Rated Net Power - 1,800 rpm - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4) | 184 HP | - | - |
| Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4) | 650 ft·lbf | - | - |
| Rated Speed | - | 1,800/min | - |
| Engine Power - ISO 14396 | - | 752 HP | - |
| Gross Power - SAE J1995 | - | 766 HP | - |
| Net Power - SAE J1349 - Standard Ambient | - | 699 HP | - |
| Net Power - SAE J1349 - High Ambient | - | 648 HP | - |
| Bore | - | 5.4 in | - |
| Stroke | - | 6 in | - |
| Displacement | - | 1649.5 in³ | 12.5 L |
| Peak Torque - 1,200 rpm | - | 2624 lb/ft | - |
| Torque Rise | - | 18 % | - |
| Emissions | - | U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent | - |
| Net Power @ 1,700 rpm – ISO 9249:2007, SAE J1349:2011 | - | - | 393 HP |
| Gross Torque @ 1,200 rpm – SAE J1995:2014 | - | - | 1627 lb/ft |
| Engine Torque @ 1,200 rpm – ISO 14396:2002 | - | - | 1612 lb/ft |
| Gross Power @ 1,700 rpm – SAE J1995:2014 | - | - | 425 HP |
| Net Torque @ 1,100 rpm – ISO 9249:2007, SAE J1349:2011 | - | - | 1539 lb/ft |
| Engine Power @ 1,700 rpm – ISO 14396:2002 | - | - | 429 HP |
Weights |
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| Operating Weight | 35778 lb | - | 66877 lb |
| Note | - | - | Weight based on a machine configuration with Bridgestone 29.5R25 VSNT L4 radial tires, full fluids, operator, standard counterweight, ride control cold start, roading fenders, Product Link, open differential axles (front/rear), secondary steering, sound s |
Buckets |
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| Bucket Capacities | 2.5-5.0 m3 (3.2-6.5 yd3) | 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³) | - |
| Bucket Capacities - Light Material | 3.1-5.0 m³ (4.0-6.5 yd³) | - | - |
| Bucket Capacities - General Purpose | 2.5-3.2 m³ (3.2-4.2 yd³) | - | - |
Cab |
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| ROPS | ISO 3471:2008 | - | - |
| FOPS | ISO 3449:2008 Level II | - | - |
| Note (3) | *The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. | - | - |
| Note (1) | Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe. | - | - |
| Note (2) | The declared dynamic operator sound pressure levels per ISO 6396:2008*, when properly installed and maintained, are: – Standard cab: 68 ±3 dB(A) – Deluxe cab: 66 ±2 dB(A) |
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Sustainability |
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| Recyclability | 94% | - | - |
Sound |
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| Average Exterior Sound Pressure (ISO 6395:2008) | 101 dB(A) | - | - |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | - | - |
| Note (1) | European Union Directive “2000/14/EC” | - | ** For machines in European Union countries and in countries that adopt the �EU Directives.� |
| Note (2) | - | - | ***European Union Directive �2000/14/EC� as amended by �2005/88/EC.� |
| With Cooling Fan Speed at 70% of Maximum Value - Exterior Sound Power Level* | - | - | 109 |
| With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008) | - | - | 72 dB(A) |
| With Cooling Fan Speed at Maximum Speed - Exterior Sound Power Level (ISO 6395:2008) | - | - | 112 dB(A) |
| With Cooling Fan Speed at Maximum Speed - Exterior Sound Pressure Level (SAE J88:2013) | - | - | 78 |
| With Cooling Fan Speed at Maximum Speed - Operator Sound Pressure Level (ISO 6396:2008) | - | - | 72 dB(A) |
Service Refill Capacities |
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| Transmission - Gear Box | 2.9 gal (US) | - | - |
| Engine Crankcase | 5.3 gal (US) | 20 gal (US) | - |
| Hydraulic System - Including Tank | 44.9 gal (US) | - | - |
| Rear Axles | 9.2 gal (US) | - | - |
| Front Axles | 9.2 gal (US) | - | - |
| Diesel Exhaust Fluid (DEF) Tank | 5 gal (US) | - | - |
| Note | DEF used in Cat SCR systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241-1. | All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or l | - |
| Hydraulic Tank | 23.8 gal (US) | - | 40.4 gal (US) |
| Fuel Tank | 51.5 gal (US) | 294.3 gal (US) | 112.5 gal (US) |
| Cooling System | 7.9 gal (US) | 54.9 gal (US) | 13.7 gal (US) |
| Transmission | - | 29.1 gal (US) | 20.3 gal (US) |
| Differential - Final Drives - Front | - | 71.6 gal (US) | 22.2 gal (US) |
| Differential - Final Drives - Rear | - | 68.9 gal (US) | 22.4 gal (US) |
| Hydraulic System Factory Fill | - | 210 gal (US) | - |
| Hydraulic Tank - Implement and Hydraulic Fan | - | 68.9 gal (US) | - |
| Hydraulic Tank - Steering and Braking | - | 34.9 gal (US) | - |
| Crankcase | - | - | 9.8 gal (US) |
| DEF Tank | - | - | 5.5 gal (US) |
Loader Hydraulic System |
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| Note (1) | *3rd and 4th function flow is fully 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 | - | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Total Cycle Time | 9.7 s | - | - |
| Relief Pressure - Tilt Cylinder | 4351 psi | - | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Total Cycle Time | 10.6 s | - | - |
| Maximum Working Pressure - Implement Pump | 4061 psi | - | - |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure | 4061 psi | - | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Dump, at Maximum Lift Height | 1.7 s | - | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Dump, at Maximum Lift Height | 1.5 s | - | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Raise, Ground Level to Maximum Lift | 6.2 s | - | - |
| Hydraulic Cycle Time - Performance Mode at 1,800 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s | - | - |
| Maximum Flow - Implement Pump - 4th Function Maximum Flow* | 42 gal/min | - | - |
| Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure | 4351 psi | - | - |
| Hydraulic Cycle Time - Standard Mode at 1,600 rpm - Float Down, Maximum Lift to Ground Level | 2.7 s | - | - |
| Maximum Flow - Implement Pump | 50 gal/min | - | - |
| Maximum Flow - Implement Pump - 3rd Function Maximum Flow* | 50 gal/min | - | - |
Steering |
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| Maximum Working Pressure - Steering Pump | 3500 psi | - | - |
| Steering Articulation Angle - Each Direction | 40° | - | - |
| Maximum Flow - Steering Pump | 34 gal/min | - | - |
| Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left | 3.3 turns | - | - |
| Maximum Steering Torque - 0° (Straight Machine) | 42506 ft·lbf | - | - |
| Maximum Steering Torque - 40° (Full Turn) | 31398 ft·lbf | - | - |
| Steering Cycle Times - Full Left to Full Right - At 1,800 rpm: 90 rpm Steering Wheel Speed | 2.3 s | - | - |
Transmission |
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| Forward and Reverse - Range 3 | 17 mile/h | - | - |
| Forward and Reverse - Range 4 | 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 secondary display, when equipped. Factory default is 7 km/h (4.4 mph). | Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. | Maximum travel speed in standard vehicle with empty bucket and standard L4 tires with 935 mm (37 in) roll radius. |
| Forward and Reverse - Range 1* | 1-13 km/h (0.6-8 mph) | - | - |
| Forward and Reverse - Range 2 | 8 mile/h | - | - |
| Transmission Type | - | Cat planetary power shift | - |
| Forward - 1 | - | 4.5 mile/h | 4.3 mile/h |
| Forward - 2 | - | 8.3 mile/h | 8.3 mile/h |
| Forward - 3 | - | 14.2 mile/h | 14.6 mile/h |
| Reverse - 1 | - | 4.9 mile/h | 4.8 mile/h |
| Reverse - 2 | - | 9.1 mile/h | 9.4 mile/h |
| Reverse - 3 | - | 15.5 mile/h | 16.7 mile/h |
| Direct Drive - Forward 1 | - | Lock-up disabled | - |
| Direct Drive - Forward 2 | - | 8.5 mile/h | - |
| Direct Drive - Forward 3 | - | 15.2 mile/h | - |
| Direct Drive - Reverse 1 | - | 5.4 mile/h | - |
| Direct Drive - Reverse 2 | - | 9.6 mile/h | - |
| Direct Drive - Reverse 3 | - | 16.4 mile/h | - |
| Forward - 4 | - | - | 24.5 mile/h |
| Reverse - 4 | - | - | 24.5 mile/h |
Tires |
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| Note (1) | Other tire choices are available. Contact your Cat dealer for details. | - | - |
| Standard Size | 20.5 R25, radial (L-3) | - | - |
| Note (2) | In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities. | - | - |
| Other Choices Include | 20.5 R25, radial (L-2); 20.5 R25, radial (L-5); 20.5-25 12PR (L-2); 20.5-25 12PR (L-3); 20.5-25 16PR (L-5); 23.5 R25, radial (L-3); 650/65 R25 radial (L-3); Skidder/Agriculture; Solid Tires | - | - |
| Note (3) | Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model. | - | - |
Axles |
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| Rear | Oscillating ±11 degrees; Open differential (standard); Limited slip differential (optional) | Trunnion | - |
| Front | Fixed; Locking differential (standard) | Fixed | - |
| Oscillation Angle | - | 8.5° | - |
Air Conditioning System |
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| 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 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 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons). | 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 2.717 metric tonnes (2.995 tons). |
Operating Specifications |
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| Operating Weight | - | 178517 lb | - |
| Rated Payload - Standard | - | 17.5 ton (US) | - |
| Rated Payload - High Lift | - | 17.5 ton (US) | - |
| Bucket Capacity Range | - | 8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³) | - |
| Cat Truck Match - Standard | - | 773-775 | - |
| Cat Truck Match - High Lift | - | 775-777 | - |
| Breakout Force | - | - | 51008 lb |
| Note (1) | - | - | For a machine configuration as defined under �Weight.� |
| Note (2) | - | - | Full compliance to ISO 14397-1:2007 Sections 1 thru 6, which requires 2% verification between calculations and testing. |
| Static Tipping Load - Full 40° Turn - No Tire Deflection | - | - | 20965 kg |
| Static Tipping Load - Full 40° Turn - With Tire Deflection | - | - | 43432 lb |
Hydraulic System - Lift/Tilt |
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| Lift/Tilt System - Circuit | - | Positive flow control | - |
| Lift/Tilt System | - | Variable displacement piston | - |
| Maximum Flow at 1,800 rpm (1) | - | 240 gal/min | - |
| Cylinders, Double Acting - Lift, Bore and Stroke | - | 235 mm × 1287 mm (9.3 in × 50.7 in) | - |
| Cylinders, Double Acting - Tilt, Bore and Stroke | - | 292.1 mm × 820 mm (11.5 in × 32.3 in) | - |
| Pilot System | - | Open loop and pressure reducing | - |
| Relief Valve Setting - Main | - | 507 psi | - |
| Relief Valve Setting - Lift/Tilt | - | 4786 psi | - |
Hydraulic Cycle Times |
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| Rack Back | - | 4.3 s | - |
| Raise | - | 8.2 s | - |
| Dump | - | 2.9 s | - |
| Lower | - | 3.7 s | - |
| Lower Float Down | - | 3.6 s | - |
| Total Hydraulic Cycle Time - Empty Bucket | - | 13.8 s | - |
Hydraulic System - Steering |
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| Steering System - Circuit | - | Pilot, load sensing | - |
| Steering System - Pump | - | Piston, variable displacement | - |
| Maximum Flow at 1,400 rpm | - | 96.2 gal/min | - |
| Relief Valve Setting - Steering | - | 5004 psi | - |
| Total Steering Angle | - | 70° | - |
Brakes |
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| Brakes | - | ISO 3450: 2011 | - |
Sound Performance - Standard |
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| Operator Sound Level (ISO 6396:2008) | - | 65.5 dB(A) | - |
| Machine Sound Level (ISO 6395:2008) | - | 115 dB(A) | - |
Sound Performance - Suppression |
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| Operator Sound Level (ISO 6396:2008) | - | 65.5 dB(A) | - |
| Machine Sound Level (ISO 6395:2008) | - | 113 dB(A) | - |
Bucket Capacities |
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| Bucket Range | - | - | 4.0-14.5 m³ 5.25-19 yd³ |
Hydraulic System |
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| Implement System - Maximum Operating Pressure | - | - | 4975 psi |
| Implement System - Maximum Pump Output at 2,250 rpm | - | - | 119 gal/min |
Dimensions |
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| Note | - | - | All dimensions are approximate and based on machine equipped with 5.4 m3 (7.1 yd3) general purpose bucket with BOCE and Bridgestone 29.5R25 VSNT L4 radial tires. |
Dimensions - High Lift |
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| Centerline of Rear Axle to Edge of Counterweight | - | - | 8.9 ft |
| Centerline of Rear Axle to Hitch | - | - | 6.3 ft |
| Ground Clearance | - | - | 1.5 ft |
| Height - Top of Exhaust Pipe | - | - | 12.5 ft |
| Height - Top of Hood | - | - | 10.1 ft |
| Height - Top of ROPS | - | - | 12.7 ft |
| Hinge Pin Height at Carry | - | - | 2.2 ft |
| Hinge Pin Height at Maximum Lift | - | - | 15.7 ft |
| Lift Arm Clearance at Maximum Lift | - | - | 13.6 ft |
| Overall Length - Without Bucket | - | - | 27.5 ft |
| Tread Width | - | - | 8 ft |
| Wheel Base | - | - | 12.6 ft |
| Rack Back at Ground | - | - | 40 degrees |
| Width over Tires (Loaded) | - | - | 10.9 ft |
| Rack Back - Carry Height | - | - | 50 degrees |
| Rack Back - Maximum Lift | - | - | 61 degrees |
Dimensions - Standard Lift |
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| Centerline of Rear Axle to Hitch | - | - | 6.3 ft |
| Ground Clearance | - | - | 456 mm |
| Height - Top of Exhaust Pipe | - | - | 3764 mm |
| Height - Top of Hood | - | - | 3064 mm |
| Height - Top of ROPS | - | - | 3829 mm |
| Hinge Pin Height at Carry | - | - | 2.2 ft |
| Hinge Pin Height at Maximum Lift | - | - | 4554 mm |
| Lift Arm Clearance at Maximum Lift | - | - | 3881 mm |
| Overall Length - Without Bucket | - | - | 8155 mm |
| Tread Width | - | - | 8 ft |
| Wheel Base | - | - | 3800 mm |
| Rack Back at Ground | - | - | 40 degrees |
| Centerline of Rear Axle to Edge of Counterweight | - | - | 2661 mm |
| Width over Tires (Loaded) | - | - | 10.9 ft |
| Rack Back - Carry Height | - | - | 50 degrees |
| Rack Back - Maximum Lift | - | - | 61 degrees |
