The Cat® 938M Waste Handler sets a new standard for productivity, fuel efficiency and comfort. A high torque, low speed C7.1 engine works in concert with an intelligent hystat power train to deliver fuel efficiency as standard. A complete range of guarding and debris management solutions are available to meet the needs of the most demanding environments. Extremely low sound levels, large spacious cab and intuitive controls keep you working comfortably all day and even all night! Experience this industry benchmark.

Informações Tećnicas

• Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance [HP+] Power Mode: Range 1-4): 137 kW
• Operating Weight: 17493 kg
• Bucket Capacities: 3.0-5.0 m3 (3.9-6.5 yd3)

Mais informações

Engine

• Engine Model: Cat® C7.1
• Maximum Rated Gross Power - ISO 14396: 140 kW / 188 HP
• Maximum Rated Gross Power - ISO 14396 (DIN): 140 kW / 190 HP
• Maximum Rated Gross Power - ISO 14396 (DIN) (Performance [HP+] Power Mode: Range 1-4): 140 kW / 190 HP
• Maximum Rated Gross Power - ISO 14396 (Performance [HP+] Power Mode: Range 1-4): 140 kW / 188 HP
• Maximum Rated Gross Power - Maximum Engine Speed (Performance [HP+] Power Mode: Range 1-4): 1800 r/min / 1800 r/min
• Rated Net Power - 1,800 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Performance [HP+] Power Mode: Range 1-4): 137 kW / 184 HP
• Rated Net Power - 1,800 rpm - SAE J1349 at Minimum Fan Speed (Performance [HP+] Power Mode: Range 1-4): 136 kW / 182 HP
• Maximum Gross Power: 142 kW / 190 HP
• Bore: 105 mm / 4 in
• Stroke: 135 mm / 5 in
• Displacement: 7.01 l / 427 in³
• Emissions: Engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
• Maximum Gross Torque - ISO 14396 (Performance [HP+] Power Mode: Range 1-4): 879 N·m / 648 ft·lbf
• Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*): 879 N·m / 648 ft·lbf
• Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Performance [HP+] Power Mode: Range 1-4): 852 N·m / 628 ft·lbf
• Maximum Net Torque - ISO 9249 (1977)/EEC 80/1269 (Standard Power Mode: Range 1-3*): 852 N·m / 628 ft·lbf
• Maximum Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4): 843 N·m / 621 ft·lbf
• Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*): 843 N·m / 621 ft·lbf
• Maximum Rated Gross Power - ISO 14396 (DIN) (Standard Power Mode: Range 1-3*): 129 kW / 175 HP
• Maximum Rated Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*): 129 kW / 173 HP
• Maximum Rated Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*): 1600 r/min / 1600 r/min
• Note (1): *Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
• 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.
• Note (3): No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
• Note (4): Spark arrester performance as standard – Meets the performance requirements of EN 1834-1.2000 (section 6.4.2 Visual Test).
• Rated Net Power - 1,600 rpm - ISO 9249 (1977)/EEC 80/1269 at Minimum Fan Speed (Standard Power Mode: Range 1-3*): 126 kW / 169 HP
• Rated Net Power - 1,600 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Standard Power Mode: Range 1-3*): 126 kW / 171 HP
• Rated Net Power - 1,600 rpm - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*): 125 kW / 168 HP
• Rated Net Power - 1,800 rpm - ISO 9249 (DIN) at Minimum Fan Speed (Performance [HP+] Power Mode: Range 1-4): 137 kW / 186 HP

Buckets

• Bucket Capacities: 3.0-5.0 m3 (3.9-6.5 yd3)

Weights

• Operating Weight: 17493 kg / 38555 lb

Cab

• ROPS: ISO 3471: 2008
• FOPS: ISO 3449: 2005 LEVEL II
• Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)*: 101 dB(A) / 101 dB(A)
• Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)*: 68 dB(A) / 68 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 closed.
• Note (2): The Blue Angel environmental label is an optional attachment for Europe only.

Loader Hydraulic System

• 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
• 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
• 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
• Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time: 9.7/10.6 seconds
• Lift Cylinder, Double Acting - Bore Diameter: 120 mm / 4.7 in
• Lift Cylinder, Double Acting - Rod Diameter: 65 mm / 2.6 in
• Lift Cylinder, Double Acting - Stroke: 789 mm / 31.1 in
• Maximum Flow - Implement Pump: 190 l/min / 50 gal/min
• Maximum Flow - Implement Pump - 3rd Function*: 190 l/min / 50 gal/min
• Maximum Working Pressure - Implement Pump: 28000 kPa / 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.
• Note (2): Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
• Note (3): *3rd function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped.
• Relief Pressure - Tilt Cylinder: 30000 kPa / 4351 psi
• Relief Pressure - Tilt Cylinder - 3rd Function Maximum Working Pressure: 28000 kPa / 4061 psi
• Relief Pressure - Tilt Cylinder - 3rd Function Relief Pressure: 30000 kPa / 4351 psi
• Tilt Cylinder, Double Acting - Bore Diameter: 150 mm / 5.9 in
• Tilt Cylinder, Double Acting - Rod Diameter: 90 mm / 3.5 in
• Tilt Cylinder, Double Acting - Stroke: 555 mm / 21.9 in

Operating Specifications

• Full Turn Tip Load: 9843 kg / 21720 lb

Power Train

• Brakes - Parking: Spring applied hydraulically released
• Brakes - Service: Outboard wet disc
• Front Axle: Fixed
• Front Axle - Traction Aid*: Locking differential (standard)
• Note (1): Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
• Note (2): Offset rims available to meet European roading requirements.
• Note (3): *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: Oscillating
• Rear Axle - Oscillation Angle by Tire Size - 20.5 R25, 550/65, 600/65, 650/65: ± 10.5 degrees
• Rear Axle - Oscillation Angle by Tire Size - 23.5 R25: ± 7 degrees
• Rear Axle - Traction Aid - Optional: Limited slip differential

Service Refill Capacities

• Cooling System: 32 l / 8.5 gal (US)
• Diesel Exhaust Fluid (DEF) Tank: 19 l / 5 gal (US)
• Engine Crankcase: 20 l / 5.3 gal (US)
• Front Axles: 35 l / 9.2 gal (US)
• Fuel Tank: 195 l / 51.5 gal (US)
• Hydraulic System - Including Tank: 170 l / 44.9 gal (US)
• Hydraulic Tank: 90 l / 23.8 gal (US)
• Rear Axles: 35 l / 9.2 gal (US)
• Transmission - Gear Box: 11 l / 2.9 gal (US)

Steering

• Maximum Flow - Steering Pump: 130 l/min / 34 gal/min
• Maximum Steering Torque - 0° (Straight Machine): 57630 N·m / 42506 ft·lbf
• Maximum Steering Torque - 40° (Full Turn): 42570 N·m / 31398 ft·lbf
• Maximum Working Pressure - Steering Pump: 24130 kPa / 3500 psi
• Note (1): Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
• Note (2): Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
• Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed: 2.3 s / 2.3 s
• Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited: 3.1 s / 3.1 s
• Steering Cylinder, Double Acting - Bore Diameter: 80 mm / 3.1 in
• Steering Cylinder, Double Acting - Rod Diameter: 50 mm / 2 in
• Steering Cylinder, Double Acting - Stroke: 399 mm / 15.7 in

Transmission

• Forward and Reverse - Range 1*: 1-13 km/h (0.6-8 mph)
• Forward and Reverse - Range 2: 13 km/h / 8 mile/h
• Forward and Reverse - Range 3: 27 km/h / 17 mile/h
• Forward and Reverse - Range 4: 40 km/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).