The AGCO Allis 6670 tractor is powered by a SLH 4.0L 4-cyl diesel engine that provides 69.05 hp/51.5 kW of horsepower and torque. It has a 4x2 2WD/4x4 MFWD 4WD (optional) drive configuration and a 12-speed synchromesh/24-speed/16-speed/30-speed partial power shift transmission.

Engine

The engine is a 4-cylinder diesel with a displacement of 244 cubic inches or 4.0 liters. It has a direct injection fuel system and a dry element air cleaner. The compression ratio is 17:1 and it is rated at 69.05 horsepower or 51.5 kilowatts. The engine has a starter voltage of 12 volts and a starter power of 4.7 horsepower or 3.5 kilowatts. The oil capacity is 9.7 quarts or 9.2 liters.


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Transmission

The transmission is a 12-speed synchromesh/24-speed/16-speed/30-speed partial power shift. It has an engine power take-off of 63.13 horsepower or 47.1 kilowatts and a tested power take-off of 63.12 horsepower or 47.1 kilowatts. The drawbar tested power is 55.65 horsepower or 41.5 kilowatts. The transmission is suitable for a variety of applications and provides smooth shifting and reliable performance.

Brakes

The brakes are hydraulic wet disc and provide reliable stopping power. The engine brake is rated at 69.05 horsepower or 51.5 kilowatts. The brake system is foot-actuated and provides excellent control and stopping power. The brake system is designed to be durable and reliable, even in tough conditions. The oil capacity is 9.7 quarts or 9.2 liters.



Steering

The steering is hydrostatic power and provides excellent control and maneuverability. The system is designed to be responsive and easy to use, even in tight spaces. The steering system is durable and reliable, even in tough conditions. The SLH 4.0L 4-cylinder diesel engine provides ample power for the steering system.


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Common Problems

Users have reported issues with the transmission, particularly with shifting and reliability. Some users have also reported problems with the hydraulic system, including leaks and poor performance. In addition, some users have reported issues with the brakes, including poor stopping power and reliability. However, these issues are relatively rare and most users have reported that the tractor is reliable and performs well in a variety of applications.

What Users Like

Users appreciate the versatility of the tractor, which is suitable for a variety of applications. They also like the smooth shifting and reliable performance of the transmission. The hydrostatic power steering system is also a popular feature, providing excellent control and maneuverability. Users also appreciate the cab, which comes standard with air-conditioning, and the standard tires, which provide good traction and stability in a variety of conditions. Overall, users find the AGCO Allis 6670 to be a reliable and versatile tractor that performs well in a variety of applications.

AGCO Allis 6670 Technical Specifications

Power

Engine69.05 hp/51.5 kW
Pto (claimed)63.13 hp/47.1 kW
Drawbar (tested)55.65 hp/41.5 kW
Pto (tested)63.12 hp/47.1 kW

Engine Detail

DescriptionSLH 1000.4-A/diesel/4-cylinder/air-cooled
Displacement244 ci/4.0 L
Bore/stroke4.13x4.55 inches/105 x 116 mm
Power69.05 hp/51.5 kW
Fuel Systemdirect injection
Air Cleanerdry element
Compression17:1
Rated Rpm2350
Idle Rpm650-2520
Starter Volts12
Starter Power4.7 hp/3.5 kW
Oil Capacity9.7 qts/9.2 L

Engine

DescriptionSLH 4.0L 4-cyl diesel

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD (optional)
Differential Lockmechanical foot-actuated rear
Steeringhydrostatic power
Brakeshydraulic wet disc
CabCab standard with air-conditioning.
Transmissions12-speed synchromesh/24-speed/16-speed/30-speed partial power shift

Tires

Standard Tires (ag)Front: 7.50-16. Rear: 16.9R30 (2WD)/Front: 12.4R24. Rear: 16.9R30 (4WD)

Dimensions

2wd Wheelbase91.2 inches/231 cm
Length160 inches/406 cm
Width78.8 inches/200 cm (min)
Height108 inches/274 cm
Ground Clearance15.2 inches/38 cm
Rear AxleFlange

Dimensions And Tires

2wd Wheelbase91.2 inches/231 cm
Weight6173 to 6702 pounds
Front Tire7.50-16
Rear Tire16.9R30 (2WD)

Serial Numbers

LocationConsole, right side
19911001
19921076
19931084
19941108

Capacity

Fuel22.98 gal/87.0 L
Hydraulic System13.7 gal/51.9 L

Hydraulics

Typeopen center
Capacity13.7 gal/51.9 L
Pressure2610 psi/180.0 bar
Valves2
Pump Flow8.72 gpm/33.0 lpm

Tractor Hitch

Rear TypeII/I
Controlposition and draft control with lower-link sensing
Rear Lift (at Ends)6,490 lbs/2943 kg

Electrical

Groundnegative
Charging Systemalternator
Charging Amps55
Battery Volts12
Battery Ah100

Speeds

DescriptionWith 16.9R30 rear tires.

Power Take Off Pto

Rear Ptoindependent
Clutch124.5mm hydraulic wet disc
Rear Rpm540/1000 (1.375)
Engine Rpm540@2083/1000@2285

Weight

2wd6,173 lbs/2800 kg
4wd6,702 lbs/3040 kg
Max Capacity9,700 lbs/4399 kg (2WD)/10,803 lbs/4900 kg (4WD)

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Other AGCO Allis tractors:

AGCO Allis 4650, AGCO Allis 4660, AGCO Allis 5650, AGCO Allis 5660, AGCO Allis 5670, AGCO Allis 5680, AGCO Allis 6670, AGCO Allis 6680, AGCO Allis 6690, AGCO Allis 7600, AGCO Allis 7630, AGCO Allis 7650, AGCO Allis 8610, AGCO Allis 8630, AGCO Allis 8745, AGCO Allis 8765, AGCO Allis 8775, AGCO Allis 8785, AGCO Allis 9130, AGCO Allis 9150, AGCO Allis 9170, AGCO Allis 9190, AGCO Allis 9435, AGCO Allis 9455, AGCO Allis 9630, AGCO Allis 9635, AGCO Allis 9650, AGCO Allis 9655, AGCO Allis 9670, AGCO Allis 9675, AGCO Allis 9690, AGCO Allis 9695, AGCO Allis 9735, AGCO Allis 9745, AGCO Allis 9755, AGCO Allis 9765, AGCO Allis 9775, AGCO Allis 9785, AGCO Allis 9815,