New Holland

New Holland 6610S

The New Holland 6610S is a utility tractor produced from 1994 to 2003 as part of the 10S Series. It is built in Queretaro, Mexico and originally priced at $28,500 in 2000. The tractor is powered by a Ford 5.0L 4-cylinder liquid-cooled diesel engine producing 85 hp (63.4 kW) with a claimed PTO power of 76 hp (56.7 kW). It features an 8-speed unsynchronized gear transmission with 8 forward and 2 reverse speeds. The 6610S offers two- or four-wheel drive options, power steering, wet disc brakes, and a two-post ROPS for operator safety. Fuel capacity is 21.5 gallons with an auxiliary tank of 13.2 gallons. Hydraulics include a gear pump with 2500 psi pressure and 2 valves. The rear hitch is category II with position control and top-link draft sensing, capable of lifting 4040 lbs. The rear PTO is independent with a 540 rpm type. Dimensions vary between 2WD and 4WD models, with wheelbases of 87.5 and 88.8 inches respectively, and weights ranging from 5695 to 6335 lbs. Electrical system is 12 volts with a 55 amp alternator. The 6610S shares its design with the Ford 6610S and is related to the 5610S and 7610S models in the 10S Series.
Power85 hp
Founded1994 - 2003
Model6610S

Technical Specifications

Detailed specifications and technical data for New Holland 6610S

Power
Engine85 hp (63.4 kW)
PTO (claimed)76 hp (56.7 kW)
Engine
MakeFord
Typediesel
Power85 hp (63.4 kW)
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2200
Bore/Stroke4.4x5.0 inches (112 x 127 mm)
Displacement304 ci (5.0 L)
Firing order1-3-4-2
Oil capacity12 qts (11.4 L)
Starter volts12
Coolant capacity13.75 qts (13.0 L)
Compression ratio17.5:1
Intake valve clearance0.016 inches (cold) (0.406 mm)
Exhaust valve clearance0.019 inches (cold) (0.483 mm)
Capacity
Fuel21.5 gal (81.4 L)
Steering2.3 qts (2.2 L)
Auxiliary tank13.2 gal (50.0 L)
Electrical
Groundnegative
Battery volts12
Charging amps55
Charging volts12
Charging systemalternator
Hydraulics
Typegear pump
Valves2
Pressure2500 psi (172.4 bar)
Pump flow9.7 gpm (36.7 lpm)
Steering flow9.6 gpm (36.3 lpm)
Steering capacity2.3 qts (2.2 L)
Mechanical
ROPSTwo-post ROPS
DriveTwo- or four-wheel drive
BrakesWet disc brakes
SteeringPower steering
Production
Series10S Series
Built inQueretaro, Mexico
CategoryUtility tractor
Original price$28,500 in 2000
Years produced1994 - 2003
Transmission
Typeunsynchronized gear
Gears8 forward and 2 reverse
NotesFour gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, before shifting gear or range.
Tractor hitch
Controlposition control with top-link draft sensing
Rear TypeII
Rear lift capacity4040 lbs (1832 kg)
Dimensions & Tires
Rear tire16.9-30
2WD Length145.2 inches (368 cm)
2WD Weight5695 lbs (2583 kg)
4WD Length153.1 inches (388 cm)
4WD Weight6335 lbs (2873 kg)
Front tire7.50-16 (2WD), 14.9x24 (4WD)
2WD Wheelbase87.5 inches (222 cm)
4WD Wheelbase88.8 inches (225 cm)
Height (ROPS)95.9 inches (243 cm)
2WD Ground clearance18.4 inches (46 cm)
4WD Ground clearance17.8 inches (45 cm)
Power Take-off (PTO)
Rear PTOindependent
Engine RPM540@1900
Rear PTO Type540