Production
| Description | Row-Crop tractor / Original price was $24,300 in 1981 |
|---|---|
| Manufacturer | Ford |
Engine
| Air cleaner | dual dry element |
|---|---|
| Bore/Stroke | 4.40x4.20 inches (112 x 107 mm) / 4.4094x4.4094 inches (112 x 112 mm) |
| Compression | 15.6:1 |
| Coolant capacity | 18 qts (17.0 L) |
| Description | Ford / turbocharged diesel / 4-cylinder / liquid-cooled / Ford / turbocharged diesel / 4-cylinder / liquid-cooled inline / The larger Blue Power Special engine was available in 1981 only. Advertised power performance was the same as the 4.2L. |
| Displacement | 256 ci (4.2 L) / 267.9 ci (4.4 L) |
| Oil capacity | 9 qts (8.5 L) |
| Power (gross) | 96.7 hp (72.1 kW) |
| Power (net) | 91 hp (67.9 kW) |
| Rated RPM | 2100 / 2100 |
| Starter volts | 12 |
| Torque | 272 lb-ft (368.8 Nm) |
| Torque RPM | 1600 |
| Engine type | Ford 4.2L 4-cyl diesel / Ford 4.4L 4-cyl diesel |
| Engine type | Ford 4.2L 4-cyl diesel / Ford 4.4L 4-cyl diesel |
| Fuel tank | 47 gal (177.9 L) |
| Drawbar (tested) | 67.62 hp (50.4 kW) |
| Engine (gross) | 96.7 hp (72.1 kW) |
| Engine (net) | 91 hp (67.9 kW) |
| PTO (claimed) | 84 hp (62.6 kW) |
| PTO (tested) | 84.38 hp (62.9 kW) |
Transmission
| Clutch | dry plate |
|---|---|
| Gears | 16 forward and 4 reverse / 8 forward and 2 reverse |
| Transmission | Ford Dual Power |
| Type | partial power shift / gear |
| Transmission type | 16-speed partial power shift / 8-speed gear |
| Transmission type | 16-speed partial power shift / 8-speed gear |
Mechanical
| Cab | Open operator station. Cab optional. |
|---|---|
| Description | Differential wet disc brakes |
| Drive type | Two- or four-wheel drive |
| Steering | power assist |
Hydraulics
| Type | open center |
|---|
Hitch
| Rear lift | 4435 lbs (2011 kg) |
|---|---|
| Rear Type | II |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 (1.375) |
Dimensions & Tires
| Ballasted weight | 10,800 lbs (4898 kg) |
|---|---|
| Front tread | 56 to 88 inches (142 to 223 cm) |
| Height (cab) | 113.4 inches (288 cm) |
| Height (exhaust) | 120.9 inches (307 cm) |
| Length | 150.2 inches (381 cm) |
| Operating weight | 8,400 lbs (3810 kg) |
| Rear tread | 56 to 80 inches (142 to 203 cm) |
| Wheelbase | 101.6 inches (258 cm) |
| Width | 74 inches (187 cm) |
| Front tire | 7.50-18 |
| Rear tire | 18.4-34 |
| Weight | 8,400 lbs (3810 kg) |
| Wheelbase | 101.6 inches (258 cm) |
| Ag front | 7.50-18 |
| Ag rear | 18.4-34 |
7700 Serial Numbers
| 1975 | C450700 |
|---|---|
| 1976 | C490300 |
| 1977 | C527300 |
| 1978 | C560500 |
| 1979 | C595800 |
| 1980 | C635700 |
| 1981 | C660700 |
| Description | FAQ: How to read a serial number table. |
| Location: | Transmssion, front right |
Ford 7700 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1242
| Description | Diesel 16-speed 2WDMay 9 - 18, 1977Link: Nebraska Tractor Test 1242 file / PTO performance / Drawbar performance |
|---|---|
| Fuel use | 5.7 gal/hour (21.6 l/hour) / 5.5 gal/hour (20.8 l/hour) / 5.7 gal/hour (21.6 l/hour) |
| Max power | 67.62 hp (50.4 kW) |
| Max pull | 7,688 lbs (3487 kg) |
| Power at rated engine speed | 84.38 hp (62.9 kW) |
| Power at rated PTO speed | 84.29 hp (62.9 kW) |
References
| Description | Blue Power Specials published in 1980, by Ford / Ford now offer tractor from 37 to 295 horsepower published in 1979* / *Publication contains known errors. |
|---|
Variants
| 7600 | utility chassis |
|---|---|
| 7700 | row-crop chassis |