Horsepower85hp / 63.4kW
EngineIveco 3.9L 4-cyl diesel
Transmission12-speed partiallly synchronized with sync shuttle 24-speed partial power shift
Drive4x2 2WD / 4x4 MFWD 4WD
Series35 Series

The New Holland 6635 tractor is powered by a Iveco 3.9L 4-cyl diesel engine that provides 85hp / 63.4kW of horsepower. It has a 4x2 2WD / 4x4 MFWD 4WD drive configuration and a 12-speed partiallly synchronized with sync shuttle 24-speed partial power shift transmission.

Engine

The engine is an Iveco 8045.25 turbocharged diesel 4-cylinder 8-valve liquid-cooled with a displacement of 238ci / 3.9L and bore/stroke of 4.094x4.527inches / 104x 115mm. It has a power output of 85hp / 63.4kW and a rated RPM of 2500. The engine is equipped with a Thermostart pre-heating system and a 12-volt starter. The oil capacity is 12.4qts / 11.7L and the coolant capacity is 14.8qts / 14.0L (ROPS) 16.9qts / 16.0L (cab).

Transmission

The transmission is a 12-speed partially synchronized with sync shuttle 24-speed partial power shift. The engine provides a claimed PTO power of 76hp / 56.7kW. The transmission is designed to provide smooth and efficient power transfer to the wheels. It is easy to operate and provides a wide range of speeds to match the needs of different applications. The transmission is reliable and requires minimal maintenance.

Brakes

The brakes are hydraulic wet disc type. They are designed to provide reliable and consistent stopping power in all conditions. The brakes are easy to operate and require minimal maintenance. The Iveco 8045.25 engine provides ample power to the brakes to ensure efficient and effective stopping. The brakes are durable and designed to last for a long time. The pre-heating system ensures that the brakes are always ready to use.

Steering

The steering is power-assisted and easy to operate. It is equipped with an Iveco 3.9L 4-cylinder diesel engine that provides ample power to the steering system. The fuel tank has a capacity of 29gal / 109.8L, which ensures that the tractor can operate for long periods without refueling. The steering is reliable and requires minimal maintenance. It provides precise control and maneuverability, making it easy to operate in tight spaces.

Common Problems

Users have reported issues with the clutch system, which can be difficult to engage and disengage. Some users have also reported issues with the hydraulic system, which can be prone to leaks and failures. The cab can be noisy and uncomfortable, especially during long periods of operation. The brakes can also be prone to wear and require frequent maintenance. Finally, some users have reported issues with the transmission, which can be difficult to shift at times.

What Users Like

Users appreciate the power and performance of the New Holland 6635. The engine provides ample power to the implements, ensuring efficient operation. The tractor is easy to operate and provides precise control and maneuverability. Users also appreciate the reliability of the tractor, which requires minimal maintenance. Finally, users like the fuel efficiency of the tractor, which helps to reduce operating costs.

New Holland 6635 Technical Specifications

Power

Engine85hp / 63.4kW
Pto (claimed)76hp / 56.7kW

Engine Detail

DescriptionIveco 8045.25 turbocharged diesel 4-cylinder 8-valve liquid-cooled
Displacement238ci / 3.9L
Bore/stroke4.094x4.527inches / 104x 115mm
Power85hp / 63.4kW
Pre-heatingThermostart
Rated Rpm2500
Starter Volts12
Oil Capacity12.4qts / 11.7L
Coolant Capacity14.8qts / 14.0L (ROPS) 16.9qts / 16.0L (cab)

Engine

DescriptionIveco 3.9L 4-cyl diesel
Fuel Tank29gal / 109.8L

Mechanical

Chassis4x2 2WD / 4x4 MFWD 4WD
Steeringpower
Brakeshydraulic wet disc
CabTwo-post foldable ROPS. Cab optional with air-conditioning
Transmissions12-speed partiallly synchronized with sync shuttle 24-speed partial power shift

Tires

Ag Front7.50-16
Ag Rear13.6-38

Dimensions

2wd Wheelbase92.2inches / 234cm
4wd Wheelbase91.1inches / 231cm
Width72.6inches / 184cm
Front Tread56 to 84inches / 142to 213cm
Rear Tread60 to 84inches / 152to 213cm

Dimensions And Tires

2wd Wheelbase92.2inches / 234cm
4wd Wheelbase91.1inches / 231cm
Weight6834 to 7936 pounds
Front Tire7.50-16
Rear Tire13.6-38

Hydraulics

Typeopen center
Valves2 to 3
Pump Flow14.5gpm / 54.9lpm

Tractor Hitch

Rear TypeII
Controlmechanical, lower link
Rear Lift (at 245722lbs / 2595kg 6340lbs / 2875kg

Electrical

Groundnegative
Charging Systemalternator
Rops Charging Amps45
Cab Charging Amps65
Battery Volts12

Power Take Off Pto

Rear Ptoindependent
Clutchelectro-hydraulic wet disc
Rear Rpm540/1000

Weight

2wd Rops Shipping6834lbs / 3099kg
2wd Cab Shipping7275lbs / 3299kg
4wd Rops Shipping7496lbs / 3400kg
4wd Cab Shipping7936lbs / 3599kg

Height

Rops105.5inches / 267cm 84inches / 213cm (folded)
Cab97.5inches / 247cm

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