New Holland 6635 Specs ( 1996-1999 )
Overview
The New Holland 6635 is a versatile Italian-built utility tractor featuring an 85 hp turbocharged Iveco engine and an independent 540/1000 RPM PTO. Available in both 2WD and 4WD configurations with either a foldable ROPS or an optional air-conditioned cab, it provides a flexible platform for various farming operations.
Ideal Applications
Heavy Lifting and Three-Point Hitch Work:
With a rear lift capacity of 5,722 lbs at 24 inches and a Category II hitch, this tractor is well-equipped for handling substantial implements and heavy-duty rear-mounted attachments.
Multi-Speed Field Operations:
The Dual Command transmission option offers 24 forward gears with a two-speed power shift and push-button shifting, allowing for precise speed control and synchronized shuttle shifts during intensive field work.
Row Crop and Utility Applications:
The adjustable front and rear tread widths, ranging from 56 to 84 inches, allow the tractor to be configured for specific row spacings while the open center hydraulics provide 14.5 gpm flow for reliable tool operation.
Production
| Description | Utility tractor / Built in Italy / Original price was $33,250 in 1999 |
|---|---|
| Manufacturer | New Holland |
Engine
| Engine type | Iveco 3.9L 4-cyl diesel |
|---|---|
| Fuel tank | 29 gal (109.8 L) |
| Bore/Stroke | 4.094x4.527 inches (104 x 115 mm) |
| Coolant capacity | 14.8 qts (ROPS) (14.0 L) |
| Description | Iveco 8045.25 / turbocharged diesel / 4-cylinder 8-valve / liquid-cooled |
| Displacement | 238 ci (3.9 L) |
| Oil capacity | 12.4 qts (11.7 L) |
| Power | 85 hp (63.4 kW) |
| Pre-heating | Thermostart |
| Rated RPM | 2500 |
| Starter volts | 12 |
| PTO (claimed) | 76 hp (56.7 kW) |
Transmission
| Description | Four gears in three ranges with left-hand reverser. Gear and shuttle shifts are synchronized. / 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. |
|---|---|
| Gears | 12 forward and reverse / 24 forward and 12 reverse |
| Transmission | Synchro Command / Dual Command |
| Type | partiallly synchronized with sync shuttle / partial power shift |
| Transmission type | 12-speed partiallly synchronized with sync shuttle / 24-speed partial power shift |
| Transmission type | 12-speed partiallly synchronized with sync shuttle / 24-speed partial power shift |
Mechanical
| Cab | Two-post foldable ROPS. Cab optional with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pump flow | 14.5 gpm (54.9 lpm) |
|---|---|
| Type | open center |
| Valves | 2 to 3 |
Hitch
| Control | mechanical, lower link |
|---|---|
| Rear lift (at 24"/610mm) | 5722 lbs (2595 kg) |
| Rear Type | II |
PTO
| Clutch | electro-hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Cab Charging amps | 65 |
| Charging system | alternator |
| Ground | negative |
| ROPS Charging amps | 45 |
Dimensions & Tires
| 2WD Wheelbase | 92.2 inches (234 cm) |
|---|---|
| 4WD Wheelbase | 91.1 inches (231 cm) |
| Front tread | 56 to 84 inches (142 to 213 cm) |
| Rear tread | 60 to 84 inches (152 to 213 cm) |
| Width | 72.6 inches (184 cm) |
| 2WD Wheelbase | 92.2 inches (234 cm) |
| 4WD Wheelbase | 91.1 inches (231 cm) |
| Front tire | 7.50-16 |
| Rear tire | 13.6-38 |
| Weight | 6834 to 7936 pounds |
| Ag front | 7.50-16 |
| Ag rear | 13.6-38 |
New Holland 6635 Height
| Cab | 97.5 inches (247 cm) |
|---|---|
| ROPS | 105.5 inches (267 cm) |
New Holland 6635 Weight
| 2WD Cab Shipping | 7275 lbs (3299 kg) |
|---|---|
| 2WD ROPS Shipping | 6834 lbs (3099 kg) |
| 4WD Cab Shipping | 7936 lbs (3599 kg) |
| 4WD ROPS Shipping | 7496 lbs (3400 kg) |
References
| Description | 56 to 86 PTO hp Tractors published in 1996, by New Holland / 35 Series Tractors published in 1996, by New Holland / North American Buyer's Guide published in 1997, by New Holland |
|---|
Nebraska Tractor Test Results
Test #Summary 246
Test Date:
July to November 1996
Location:
N/A
This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
Maximum Power & Fuel Consumption
Rated Engine Speed
76.06 hp
N/A lb/hp·hr
Standard PTO Speed
75.69 hp
@ N/A rpm PTO
Torque Statistics
| Maximum Torque | 207 lb-ft (280 Nm) |
|---|---|
| Torque Rise | 29.5% |
PTO Power Curve
Maximum Power & Fuel Consumption Details
| Condition | HP | kW | RPM |
|---|---|---|---|
| Rated Engine Speed | 76.06 | 56.72 | 2495 |
Varying Power & Fuel Consumption
Click column headers to sort
| Power | RPM | gal/hr | lb/hp·hr | hp·hr/gal | DEF gal/hr |
|---|---|---|---|---|---|
| 76.06 | 2495 | 4.65 | 0.42 | 16.37 | N/A |
| 66.76 | 2576 | 4.24 | 0.44 | 15.74 | N/A |
| 51.08 | 2629 | 3.57 | 0.49 | 14.29 | N/A |
| 34.64 | 2674 | 2.92 | 0.58 | 11.88 | N/A |
| 17.54 | 2707 | 2.21 | 0.87 | 7.93 | N/A |
| 0 | 2741 | 1.54 | N/A | 0 | N/A |