New Holland 6635 tractor

New Holland 6635

Power

85 hp

Production

1996-1999

Engine

Turbocharged diesel, 4-cylinder 8-valve

Transmission

Synchro Command

Drive

2WD/4WD

From the same series:

5635
7635

Introduction

New Holland 6635 Utility Tractor

The New Holland 6635 is a utility tractor manufactured in Italy between 1996 and 1999. Designed for versatility in agricultural operations, this machine belongs to the 5635-7635 series and delivers 85 hp through a robust diesel powertrain.

Engine and Performance

The tractor is powered by an Iveco 8045.25 turbocharged diesel engine. This 3.9-liter, 4-cylinder unit features 8 valves and is liquid-cooled, producing 85 hp at a rated engine speed of 2500 RPM. The engine uses a Thermostart pre-heating system for reliable cold-weather starting.

Transmission and Drivetrain

Operators can choose between two transmission configurations: the 12-speed Synchro Command, which features fully synchronized gears and shuttle shifts, or the 24-speed Dual Command, which incorporates a two-speed power shift for enhanced productivity. Both options include a left-hand reverser and are available in two-wheel or four-wheel drive variants.

Hydraulics and PTO

The hydraulic system utilizes an open-center design with a pump flow of 14.5 gpm (54.9 lpm), supporting 2 to 3 valves. The rear Category II hitch provides a lift capacity of 5,722 lbs (2,595 kg) at 24 inches behind the hitch point. The independent rear PTO offers dual 540/1000 RPM speeds, engaged via an electro-hydraulic wet disc clutch.

Operator Environment and Dimensions

Standard configurations include power steering and hydraulic wet disc brakes. The tractor is equipped with a two-post foldable ROPS, while an air-conditioned cab was available as an option. The 4WD model features a 91.1-inch wheelbase, providing stability for various field tasks.

Conclusion

The New Holland 6635 is a dependable utility tractor suited for a variety of general farming applications. Its combination of multiple transmission options, flexible PTO speeds, and hydraulic capacity makes it a practical choice for mid-range agricultural work.

Production Information of New Holland, 6635

  • Original price was $33,250 in 1999
  • Utility tractor
  • Built in Italy
ManufacturerNew Holland

Dimension and Tires Information of New Holland, 6635

2WD Wheelbase92.2 inches [234 cm]
Rear tread60 to 84 inches [152 to 213 cm]
Front tread56 to 84 inches [142 to 213 cm]
4WD Wheelbase91.1 inches [231 cm]
Width72.6 inches [184 cm]
Ag front7.50-16
Ag rear13.6-38

Engine Specifications of New Holland, 6635

  • Iveco 8045.25
  • Liquid-cooled
  • Turbocharged diesel
  • 4-cylinder 8-valve
Oil capacity12.4 qts [11.7 L]
Displacement238 ci [3.9 L]
Pre-heatingThermostart
Bore/Stroke4.094x4.527 inches [104 x 115 mm]
Bore/Stroke(optional)16.9 qts (cab) [16.0 L]
Coolant capacity14.8 qts (ROPS) [14.0 L]
Starter volts12
Rated RPM2500
Power85 hp [63.4 kW]

Transmission Information of New Holland, 6635

Transmission variants 1

  • Four gears in three ranges with left-hand reverser. Gear and shuttle shifts are synchronized.
TransmissionSynchro Command
TypePartiallly synchronized with sync shuttle
Gears12 forward and reverse

Transmission variants 2

  • Four gears in three ranges with two-speed power shift and left-hand reverser. The Dual Command provides push-button shifting to lower gear at each speed.
TransmissionDual Command
TypePartial power shift
Gears24 forward and 12 reverse
  • 12-speed partiallly synchronized with sync shuttle
  • 24-speed partial power shift

Mechanical Specs of New Holland, 6635

  • Two- or four-wheel drive
  • Two-post foldable ROPS. Cab optional with air-conditioning.
  • Power steering
  • Hydraulic wet disc brakes

Power Information of New Holland, 6635

Rear PTOIndependent
ClutchElectro-hydraulic wet disc
Rear PTO Type540/1000

Hydraulics Specifications of New Holland, 6635

TypeOpen center
Valves2 to 3
Pump flow14.5 gpm [54.9 lpm]

Three-Point Hitch of New Holland, 6635

Rear TypeII
Rear Type(optional)6340 lbs [2875 kg]
ControlMechanical, lower link
Rear lift (at 24"/610mm)5722 lbs [2595 kg]

Electrical System of New Holland, 6635

GroundNegative
Battery volts12
Cab Charging amps65
Charging systemAlternator
ROPS Charging amps45

Where it sits

With 85 HP, the New Holland 6635 sits between 5635 (75 HP) and 7635 (95 HP) in New Holland's range. Its power puts it in the 60th percentile of 1990s models in our database (2097 machines).

Frequently asked questions

How much horsepower does the New Holland 6635 have?

The New Holland 6635 delivers 85 HP.

What years was the New Holland 6635 produced?

The New Holland 6635 was produced in 1996-1999.

What engine does the New Holland 6635 have?

The New Holland 6635 is powered by a Turbocharged diesel, 4-cylinder 8-valve engine.

What transmission does the New Holland 6635 use?

The New Holland 6635 uses a Synchro Command transmission.

Is the New Holland 6635 4WD?

The New Holland 6635 is available in 2WD/4WD.

Compare the New Holland 6635 with another model