Ford 6600 Tractor Specs, Engine Details, Power Tests & Attachments

Ford 6600 Tractor Specifications & Complete Model Guide (1975–1981)

The Ford 6600, produced from 1975 to 1981, is one of Ford’s most successful utility tractors. Known for its durability, simple mechanics, and versatile field performance, the 6600 became a favorite among farmers worldwide.

Initially offered as both a utility and row-crop tractor (1975–1977), the row-crop version was later separated into the Ford 6700 series.
The Ford 6600’s combination of reliable diesel engines, strong hydraulics, and widely available attachments makes it an excellent choice in today’s used tractor market.

Below is a complete, easy-to-read breakdown for international buyers.


1. Overview

Item Details
Model Ford 6600
Years Produced 1975–1981
Type Utility tractor
Manufacturer Ford
Original Price (1981) USD $11,500
Drive Options 2WD or 4WD
Variants 6600 (utility), 6700 (row-crop)
Operator Station Open station; optional cab with heater/A/C

2. Engine Specifications

The Ford 6600 features several engine configurations, but the most common and most sought-after is the 4.2L Ford diesel, known for its torque and long service life.

Specification Details
Available Engines Ford 4.2L 4-cyl diesel / Ford 4.4L 4-cyl diesel / 4.2L gasoline
Fuel Tank Capacity 20 gal (75.7 L) or 33 gal (124.9 L)*
Cooling System Liquid-cooled
Engine (Gross Power) 75.5 hp (56.3 kW)
Engine (Net Power) 72.5 hp (54.1 kW)
PTO Power (claimed) 70 hp (52.2 kW)
Design Note Strong low-end torque for heavy implements

* Larger tank available for long-duty operations.


3. Transmission Options

The Ford 6600 offers two gearbox choices:

Transmission Description
8-speed gear Familiar and durable Ford manual transmission
16-speed (two-speed powershift) Adds high/low range for more control under load

Additional drivetrain features:

Feature Details
Brakes Mechanical wet disc brakes
Differential Lock Rear mechanical
Power Steering Standard
Final Drives Inboard planetary type

4. Tested Power (Official Performance Tests)

Category Tested Output
Drawbar Power (tested) 57.87 hp (43.2 kW)
PTO Power (tested) 70.56 hp (52.6 kW)

These results show the Ford 6600 meets or exceeds its advertised capability.


5. Hydraulics & Hitch

Category Details
Hydraulic System Type Open center
Pressure 2100 psi (144.8 bar)
Pump Flow 9.7 gpm (36.7 L/min)
Valves 1 or 2
Rear Hitch Category II
Control Top-link draft sensing
Rear Lift Capacity 4,040 lbs (1,832 kg)

6. PTO (Power Take-Off)

Specification Details
Rear PTO Independent
PTO Speeds 540 rpm or 540/1000 rpm (1.375-inch shaft)

7. Dimensions & Weight

Item Measurement
Wheelbase 88 in (223 cm)
Weight 5,475–7,020 lbs
Front Tires 7.50–16
Rear Tires 18.4–30

These dimensions place the Ford 6600 firmly in the mid-size utility tractor segment.


8. Serial Number Locations

Serial number is stamped on the transmission housing, front-right corner.

Year Serial Number Start
1975 C450700
1976 C490300
1977 C527300
1978 C560500
1979 C595800
1980 C635700
1981 C660700

9. Attachments

The Ford 6600 supports a wide range of loader and field attachments.

Attachment Usage
Front-End Loader Material handling, lifting, transport
Cultivators Row-crop cultivation
Plows / Harrows Tillage and seedbed prep
Mowers & Slashers Pasture management
Balers Hay and straw operations

10. Photos

https://www.lectura-specs.com/models/renamed/orig/2wd-tractors-6600-ford-nh.jpg

Summary

The Ford 6600 remains one of Ford’s most respected utility tractors thanks to:

  • Strong 4.2L / 4.4L diesel engines

  • Durable 8-speed and 16-speed transmissions

  • Proven 70+ horsepower PTO performance

  • Versatility across loader, tillage, mowing, and transport tasks

  • Excellent parts availability and simple mechanical design

Its reputation for reliability makes it a top choice among international buyers seeking a long-lasting, easy-to-maintain utility tractor.

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