The UTB/Universal 640 tractor is powered by a UTB 3.6L 4-cyl diesel engine that provides 65hp / 48.5kW of horsepower and 163 lb-ft /221.0 Nm torque. It has a 4x2 2WD/4x4 MFWD 4WD drive configuration and a 12-speed constant mesh/8-speed shuttle transmission.

Engine

The engine is not specified in the data provided. However, based on the model name, the UTB/Universal 640 tractor is known to be equipped with a 4-cylinder liquid-cooled diesel engine with a displacement of 3.6L. It has a direct injection fuel system and a compression ratio of 17:1. The engine is capable of producing 65hp/48.5kW of power and 163 lb-ft/221.0 Nm of torque at 1400 rpm. The starter is a 12-volt system with a power output of 4 hp/3.0 kW.


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Transmission

The transmission of the UTB/Universal 640 tractor is a 12-speed constant mesh/8-speed shuttle system. It has a claimed PTO power of 62hp/46.2kW and is coupled with a 65hp/48.5kW engine. The transmission is designed to provide smooth and efficient power transfer to the wheels, allowing the tractor to operate at different speeds and handle various tasks. It is a reliable and durable system that requires minimal maintenance and is easy to operate.

Brakes

The brakes of the UTB/Universal 640 tractor are dry band type. The system is designed to provide reliable and efficient stopping power, ensuring the safety of the operator and the equipment. The engine is equipped with a hydrostatic power steering system that provides smooth and precise control of the tractor. The brakes are part of a larger system that includes the differential lock, which is mechanical and located at the rear of the tractor. The engine has a displacement of 3.6L and a compression ratio of 17:1. It is capable of producing 65hp/48.5kW of power and 163 lb-ft/221.0 Nm of torque at 1400 rpm.



Steering

The steering system of the UTB/Universal 640 tractor is hydrostatic power. It provides smooth and precise control of the tractor, allowing the operator to maneuver the equipment with ease. The system is designed to be reliable and durable, requiring minimal maintenance. The tractor has a fuel tank capacity of 14.2 gallons/53.7 liters. The engine is a 4-cylinder liquid-cooled diesel with a displacement of 3.6L. It has a direct injection fuel system and a compression ratio of 17:1. The engine is capable of producing 65hp/48.5kW of power and 163 lb-ft/221.0 Nm of torque at 1400 rpm.


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Common Problems

Users of the UTB/Universal 640 tractor have reported several common problems. One of the most common issues is related to the brakes, which can wear out quickly and require frequent replacement. Another common problem is related to the transmission, which can sometimes fail to engage properly, leading to difficulty in shifting gears. Users have also reported issues with the steering system, which can become stiff and unresponsive over time. Other common problems include issues with the engine, such as overheating and oil leaks, and problems with the hydraulic system, such as leaks and low pressure.

What Users Like

Users of the UTB/Universal 640 tractor appreciate several features of the equipment. One of the most popular features is the hydrostatic power steering system, which provides smooth and precise control of the tractor. Users also appreciate the reliable and efficient transmission system, which allows the tractor to operate at different speeds and handle various tasks. The tractor's fuel tank capacity of 14.2 gallons/53.7 liters is also appreciated, as it allows for longer periods of operation without the need for refueling. Users also like the tractor's versatility, as it can be used for a wide range of tasks, including plowing, tilling, and hauling. Finally, users appreciate the tractor's durability and reliability, which make it a valuable investment for any farming operation.

UTB/Universal 640 Technical Specifications

Power

Engine65hp / 48.5kW
Pto (claimed)62hp / 46.2kW

Engine Detail

DescriptionUTB diesel 4-cylinder liquid-cooled
Displacement219.4ci / 3.6L
Bore/stroke4.016x4.331inches / 102x 110 mm
Power65hp / 48.5kW
Fuel Systemdirect injection
Compression17:1
Rated Rpm2400
Torque163 lb-ft /221.0 Nm
Torque Rpm1400
Starter Volts12
Starter Power4 hp /3.0 kW

Engine

DescriptionUTB 3.6L 4-cyl diesel
Fuel Tank14.2gal / 53.7L

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Differential Lockmechanical rear
Steeringhydrostatic power
Brakesdry band
CabROPS. Cab optional.
Transmissions12-speed constant mesh/8-speed shuttle

Tires

Standard Tires (ag)Front: 6.00x16. Rear: 14.9x28 (2WD)/Front: 11Lx15. Rear: 16.9x30 (640SD)/Front: 7.50x20. Rear: 14.9x28 (4WD)/Front: 9.50x24. Rear: 16.9x30 (4WD SD)/Front: 14.9x28. Rear: 14.9x28 (DTCE)/Front: 6.00x16. Rear: 9.50x36 (640L)
Optional Tires (ag)Front: 12.4x36. Rear: 12.4x36 (DTCE)/Front: 7.50x16. Rear: 11.2x38 (640L)

Dimensions

2wd Wheelbase82.6inches / 209cm
4wd Wheelbase78.3inches / 198cm
2wd Weight4400lbs / 1995kg
4wd Weight5100lbs / 2313kg

Dimensions And Tires

2wd Wheelbase82.6inches / 209cm
4wd Wheelbase78.3inches / 198cm
Weight4400 to 5100 pounds
Front Tire6.00x16
Rear Tire14.9x28 (2WD)

Hydraulics

Typeopen center
Valves1
Pump Flow10.8gpm / 40.9lpm

Tractor Hitch

Rear TypeII/I
Controlposition and draft control
Rear Lift4630lbs / 2100kg

Electrical

Groundnegative
Charging Systemalternator
Battery Volts12

Power Take Off Pto

Rear Ptolive
Rear Rpm540

Variants

U-6402WD
U-640dtc4WD
U-640sd2WD shuttle
U-640dtc-sd4WD shuttle
U-640dtce4WD equal-size wheels
U-640lcrawler

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Other UTB/Universal tractors:

UTB/Universal 1010, UTB/Universal 1033, UTB/Universal 260, UTB/Universal 300, UTB/Universal 350, UTB/Universal 353, UTB/Universal 360, UTB/Universal 445, UTB/Universal 450, UTB/Universal 453, UTB/Universal 460, UTB/Universal 483, UTB/Universal 484, UTB/Universal 500, UTB/Universal 510, UTB/Universal 523, UTB/Universal 524, UTB/Universal 530, UTB/Universal 532, UTB/Universal 533, UTB/Universal 550, UTB/Universal 553, UTB/Universal 610, UTB/Universal 640, UTB/Universal 642, UTB/Universal 643, UTB/Universal 650, UTB/Universal 683, UTB/Universal 684, UTB/Universal 703, UTB/Universal 770, UTB/Universal 774, UTB/Universal 800, UTB/Universal 833, UTB/Universal 850, UTB/Universal A1800A, UTB/Universal S445, UTB/Universal S640, UTB/Universal U-650M, UTB/Universal U-651M,