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Ford 6610 Mark III

Ford 6610 Mark III tractor
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The Ford 6610 Mark III is a farm tractor produced from 1988 to 1991 as part of the 10 Mark III Series. It features a Ford 4.4L 4-cylinder diesel engine delivering 86 hp net power, with a 16-speed Dual Power transmission offering 16 forward and 8 reverse gears. The tractor is available in two- or four-wheel drive configurations with planetary final drives and mechanical rear differential lock. It includes power steering, wet disc brakes, and a four-post ROPS with an optional air-conditioned cab. The hydraulic system is an open center type with closed-center valves, providing 2500 psi pressure and 18.2 gpm pump flow. The rear hitch is category II with a lift capacity of 5874 lbs. The PTO is independent with 540/1000 rpm options. Dimensions vary between 2WD and 4WD models, with wheelbases around 87.5 to 88.9 inches and weights ranging from 7280 to 8760 lbs depending on configuration. Standard tires differ for 2WD and 4WD models. Electrical system features a 12-volt battery and alternator charging.
Ford 6610 Mark IIIFord 6610farm tractor4.4L diesel engine16-speed transmissiontractor specs2WD4WD
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Model6610 Mark III

Technical Specifications

Detailed specifications and technical data for Ford 6610 Mark III

Power

Engine (net):86 hp (64.1 kW)
PTO (claimed):73 hp (54.4 kW)

Tires

2WD Standard tires (ag):Front: 10.00-16. Rear: 18.4-30
4WD Standard tires (ag):Front: 12.4-24. Rear: 18.4-30

Engine

Type:Ford 4.4L 4-cyl diesel
Torque:217.6 lb-ft (295.1 Nm)
Rated RPM:2070
Torque RPM:1200
Bore/Stroke:4.40x4.40 inches (112 x 112 mm)
Compression:16.3:1
Power (net):86 hp (64.1 kW)
Displacement:268.1 ci (4.4 L)
Cab Fuel tank:28 gal (106.0 L)
ROPS Fuel tank:21 gal (79.5 L)

Height

Cab:104.8 inches (266 cm)
Standard:78.4 inches (199 cm)
2WD Exhaust:110 inches (279 cm)
4WD Exhaust:113 inches (287 cm)

Weight

2WD Cab:7700 lbs (3492 kg)
4WD Cab:8760 lbs (3973 kg)
2WD ROPS:7280 lbs (3302 kg)
4WD ROPS:7920 lbs (3592 kg)

Dimensions

2WD Length:145.2 inches (368 cm)
4WD Length:153.1 inches (388 cm)
Rear tread:56 to 80 inches (142 to 203 cm)
2WD Wheelbase:87.5 inches (222 cm)
4WD Wheelbase:88.9 inches (225 cm)
2WD Front tread:52 to 890 inches (132 to 2260 cm)
4WD Front tread:60 to 88 inches (152 to 223 cm)
2WD Ground clearance:16.6 inches (42 cm)
4WD Ground clearance:13.8 inches (35 cm)

Electrical

Ground:negative
Battery AH:128
Battery volts:12
Charging system:alternator
Cab Charging amps:80
ROPS Charging amps:45

Hydraulics

Type:open center with closed-center valves
Pressure:2500 psi (172.4 bar)
SCV flow:14.5 gpm (54.9 lpm)
Pump flow:18.2 gpm (68.9 lpm)

Mechanical

ROPS:Four-post ROPS. Cab optional with air-conditioning.
Drive:Two- or four-wheel drive
Brakes:Wet disc brakes
Final drives:planetary
Power steering:Yes
Differential lock:mechanical rear

Production

Series:10 Mark III Series
Manufacturer:Ford
Years produced:1988 - 1991

Transmission

Type:Dual Power
Gears:16 forward and 8 reverse
Clutch:330mm disc
Description:Four synchronized gears in two ranges, plus reverse range, with two-speed Dual Power power shift. Optional creeper range.

Tractor hitch

Rear Type:II
Rear lift (at ends):5874 lbs (2664 kg)

Power Take-off (PTO)

Rear PTO:independent
Engine RPM:540@1900, 1000@2060
Rear PTO Type:540/1000 (1.375)