Repair your Bulldozer: Komatsu service manual / repair guide.
This manual applies to the following models: D31EX-21,D31PX-21,D37EX-21,D37PX-21,D39EX-21,D39PX-21 / Komatsu Limited
Serial numbers: SN: 50501 and up, 5501 and up, 1501 and up
Manual Language: English
Manual format: PDF / e-book (zip)
Komatsu D31EX-21 Bulldozer S/N 50501 and up
Komatsu D31PX-21 Bulldozer S/N 50501 and up
Komatsu D37EX-21 Bulldozer S/N 5501 and up
Komatsu D37PX-21 Bulldozer S/N 5501 and up
Komatsu D39EX-21 Bulldozer S/N 1501 and up
Komatsu D39PX-21 Bulldozer S/N 1501 and up
10 interesting tech specs about the Komatsu D31EX-21, D31PX-21, D37EX-21 bulldozers:
1. Engine Type: Komatsu SAA6D102E-2, 6-cylinder, turbocharged, diesel engine
2. Engine Power: Komatsu D31EX-21 produces 95 horsepower (71 kW), while the D31PX-21 and D37EX-21 produce 101 horsepower (75 kW)
3. Operating Weight: Komatsu D31EX-21 weighs 20,465 lbs (9,280 kg), while the D31PX-21 and D37EX-21 weigh 21,603 lbs (9,820 kg)
4. Blade Capacity: Komatsu D31EX-21 has a blade capacity of 7.7 yd3 (5.9 m3), while the D31PX-21 and D37EX-21 have a blade capacity of 9.7 yd3 (7.5 m3)
5. Ground Clearance: The ground clearance of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is 16.5 inches (420 mm)
6. Track Width: The track width of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is 14.2 inches (360 mm)
7. Maximum Travel Speed: The maximum travel speed of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is 3.5 mph (5.6 km/h)
8. Fuel Tank Capacity: The fuel tank capacity of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is 50.0 gallons (189.3 liters)
9. Hydraulic System: The hydraulic system of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is a closed-center, load-sensing system with a variable displacement piston pump
10. Blade Control: The blade control of the Komatsu D31EX-21, D31PX-21, and D37EX-21 is hydraulic and electronically controlled.
The Komatsu D37PX-21, D39EX-21, and D39PX-21 Bulldozers are heavy-duty construction equipment with powerful engines designed for a wide range of tasks. These bulldozers are equipped with advanced features that make them an ideal choice for demanding construction projects. Here are ten interesting tech specs about the Komatsu D37PX-21, D39EX-21, and D39PX-21 Bulldozer and its engine.
• Engine: The bulldozer is powered by a Komatsu SAA6D107E-1 engine that provides a power output of 115 horsepower. This engine is known for its efficiency, reliability, and low emissions.
• Manual: The bulldozer comes with a comprehensive manual that provides all the information you need to operate and maintain the machine. This manual covers everything from basic operation to complex repair procedures.
• Repair: The bulldozer is designed to be easy to repair and maintain, with easy access to all the critical components. The manual provides a step-by-step guide to repairing the engine and other components, making it easy to keep your bulldozer in top condition.
• Wiring Diagram: The wiring diagram is an essential tool for troubleshooting the electrical system of the bulldozer. The diagram provides a detailed view of the electrical system, making it easy to identify and fix problems.
• Repair Guide: The repair guide provides detailed instructions for repairing the bulldozer, including tips on how to troubleshoot common problems. This guide is an invaluable resource for anyone looking to repair or maintain their bulldozer.
• Handbook: The handbook is a comprehensive guide to the bulldozer, covering everything from basic operation to advanced techniques. This handbook is an essential resource for anyone who wants to get the most out of their bulldozer.
• Battery: The bulldozer is equipped with a heavy-duty battery that provides reliable starting power, even in harsh conditions. The battery is designed to last for many years, making it a cost-effective solution for your construction needs.
• Hydraulic System: The hydraulic system is an essential part of the bulldozer, providing power to the tracks and blade. The hydraulic system is designed for maximum efficiency, providing consistent power delivery for a wide range of tasks.
• Undercarriage: The undercarriage is designed for strength and durability, with heavy-duty components that are built to last. The undercarriage is also designed for easy maintenance, with easy access to all the critical components.
• Engine Protection System: The engine protection system is designed to keep the engine running smoothly, even in tough conditions. The system monitors the engine and provides alerts if there are any problems, helping you to keep your bulldozer running smoothly.
"Optimize the Performance of Your Komatsu Bulldozer with Our Expert Manual"
The Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 Bulldozers are powerful machines that are designed to tackle tough jobs with ease. To ensure your bulldozer is running at peak performance, it's important to have access to a comprehensive manual that provides detailed instructions for maintenance, service, and repairs. Our expert manual offers step-by-step guidance, making it an invaluable resource for mechanics and bulldozer owners alike.
List of 10-30 engine specs/tech specs for the Komatsu D31EX-21, D31PX-21, D37EX-21, D37PX-21, D39EX-21, D39PX-21 Bulldozer:
• Engine make: Komatsu
• Engine model: SAA4D102E-2
• Net horsepower: 110 hp (82 kW) at 2,200 rpm
• Displacement: 239 cu in (3.9 L)
• Number of cylinders: 4
• Operating weight: Ranges from 16,490 lbs (7,480 kg) to 23,810 lbs (10,810 kg)
• Blade width: Ranges from 9 ft 6 in (2,895 mm) to 11 ft 6 in (3,505 mm)
• Blade height: Ranges from 36 in (915 mm) to 48 in (1,220 mm)
• Blade capacity: Ranges from 2.12 cu yd (1.62 cu m) to 3.58 cu yd (2.74 cu m)
• Track gauge: Ranges from 5 ft 1 in (1,550 mm) to 6 ft 5 in (1,960 mm)
• Ground pressure: Ranges from 4.2 psi (29 kPa) to 5.1 psi (35 kPa)
• Fuel capacity: 58.1 gal (220 L)
• Maximum forward speed: 6.2 mph (10 km/h)
• Maximum reverse speed: 7.5 mph (12 km/h)
• Transmission type: Hydrostatic
• Final drive type: Planetary
• Steering type: Hydrostatic power
• Cooling system: Liquid-cooled
• Electrical system: 24-volt
• Alternator: 35 amp
• Hydraulic system: Load sensing
• Operating voltage: 24 V
• Fuel type: Diesel
• Maximum torque: 307 ft-lb (416 Nm) at 1,400 rpm
• Maximum blade depth: Ranges from 19.7 in (500 mm) to 26.4 in (670 mm)
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