| Manufacturer | Ford |
| Price | 24,300(USD) |
| Model | 7700 |
| Equipment Type | Row-Crop Tractors |
| Factory |
NEBRASKA TRACTOR TEST 1242 2
| Description | Diesel 16-speed 2WD May 9 - 18, 1977 Link: Nebraska Tractor Test 1242 file PTO performance Drawbar performance |
| Power at rated engine speed | 84.38hp / 62.9kW |
| Fuel use | 5.7gal/hour / 21.6l/hour |
| Power at rated PTO speed | 84.29hp / 62.9kW |
| Max power | 67.62hp / 50.4kW |
| Max pull | 7,688lbs / 3487kg |
FORD 7700 POWER
| Engine (gross) | 96.7hp / 72.1kW |
| Engine (net) | 91hp / 67.9kW |
| PTO (claimed) | 84hp / 62.6kW |
| Drawbar (tested) | 67.62hp / 50.4kW |
| PTO (tested) | 84.38hp / 62.9kW |
ENGINES OVERVIEW
The Ford 7700 tractor is equipped with two engine options: a 4.2L and a 4.4L 4-cylinder diesel, offering a balance of power and fuel efficiency suited for various agricultural tasks. The 4.4L variant provides enhanced torque and potential performance advantages for heavy-duty applications, while the 4.2L may offer lower operating costs but could be less effective under maximum load scenarios. Challenges include ensuring adequate maintenance, particularly for the fuel system, to mitigate risks of injector clogging or fuel quality issues, which can affect overall operational efficiency.
| Description | Ford 4.2L 4-cyl diesel Ford 4.4L 4-cyl diesel |
ENGINE DETAIL 1
The Ford 7700 tractor features a turbocharged 4-cylinder diesel engine with a displacement of 4.2L, producing 96.7 hp at 2100 RPM, and delivering a substantial torque of 272 lb-ft at 1600 RPM, making it suitable for heavy-duty applications. The dual dry element air cleaner enhances engine efficiency and longevity, while the 15.6:1 compression ratio optimizes fuel combustion, resulting in effective power delivery. However, operators should monitor oil (9 quarts) and coolant (18-20.5 quarts) levels regularly to maintain optimal engine performance, particularly in demanding scenarios such as plowing or hauling.
| Description | Ford turbocharged diesel 4-cylinder liquid-cooled |
| Displacement | 256ci / 4.2L |
| Bore/Stroke | 4.40x4.20inches / 112x 107mm |
| Power (gross) | 96.7hp / 72.1kW |
| Air cleaner | dual dry element |
| Compression | 15.6:1 |
| Rated RPM | 2100 |
| Torque | 272lb-ft / 368.8Nm |
| Torque RPM | 1600 |
| Starter volts | 12 |
| Oil capacity | 9qts / 8.5L |
| Coolant capacity | 18qts / 17.0L 20.5qts / 19.4L *With cab heat and air-conditioning |
ENGINE DETAIL 2
The Ford 7700 tractor features a turbocharged 4-cylinder diesel engine with a displacement of 267.9ci (4.4L), providing a rated RPM of 2100. While the larger Blue Power Special engine offered marginal power increases in 1981, it lacked official testing, making it a less reliable choice compared to the original engine. Pros include good torque delivery for heavy-duty tasks, while potential challenges may arise from limited performance enhancement vs. the original design, particularly for farmers requiring consistent power output under load.
| Description | Ford turbocharged diesel 4-cylinder liquid-cooled/The larger Blue Power Special engine was available in 1981 only. While promising increased power, it was never officially tested and only offered a small gain over the original engine |
| Displacement | 267.9ci / 4.4L |
| Bore/Stroke | 4.4094x4.4094inches / 112x 112mm |
| Rated RPM | 2100 |
FORD 7700 ENGINES
The Ford 7700 tractor is powered by a robust 4.2L or 4.4L 4-cylinder diesel engine, offering reliable torque for various agricultural tasks. It features a substantial 47-gallon fuel tank, facilitating extended operational periods without frequent refueling, which is advantageous for larger fields. However, potential challenges include maintaining optimal engine performance and fuel efficiency, especially under heavy loads, which may require regular monitoring and adjustments.
| Description | Ford 4.2L 4-cyl diesel Ford 4.4L 4-cyl diesel |
| Fuel tank | 47gal / 177.9L |
TRANSMISSIONS OVERVIEW
The Ford 7700 tractor features a 16-speed partial power shift transmission that enhances operational flexibility, allowing smoother transitions between speeds for varied field conditions. The 8-speed gear option provides a balance between performance and control, making it suitable for both heavy-duty tasks and lighter applications. Operators may face a learning curve to master the partial power shift system, but once acclimated, it offers significant efficiency gains in both fuel consumption and productivity.
| Description | 16-speed partial power shift 8-speed gear |
TRANSMISSION 1
The Ford 7700 tractor's Dual Power transmission enables quick and efficient shifting with its 16 forward and 4 reverse gears, enhancing productivity in demanding agricultural tasks. The partial power shift feature allows for gear changes under load, which can be advantageous in varied field conditions, although it may require a more skilled operator to manage the shift effectively. The dry plate clutch is reliable but may exhibit wear over time, necessitating regular maintenance and inspection to ensure optimal performance.
| Transmission | Ford Dual Power |
| Type | partial power shift |
| Gears | 16 forward and 4 reverse |
| Clutch | dry plate |
TRANSMISSION 2
The Ford 7700 tractor features an 8-speed forward and 2-speed reverse gear configuration, optimizing its versatility for various agricultural tasks. The gear type system enables smooth shifting and efficient power delivery, although users may experience a learning curve with gear selection under varying loads. Ideal for medium to large farming operations, it offers both maneuverability and performance, but may not suffice for complex terrain without additional attachments.
| Type | gear |
| Gears | 8 forward and 2 reverse |
MECHANICAL
The Ford 7700 tractor features a robust 4x2 or 4x4 MFWD configuration, which provides versatility for various terrains, although the MFWD option enhances traction in challenging conditions. Its power-assisted steering and differential wet disc brakes ensure improved maneuverability and safety during operation. The 16-speed partial power shift transmission allows precise control for various agricultural tasks, making it suitable for both heavy-duty plowing and lighter duties, presenting a balanced approach to performance and efficiency.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Steering | power assist |
| Brakes | differential wet disc |
| Cab | Open operator station. Cab optional |
| Transmissions | 16-speed partial power shift 8-speed gear |
TRACTOR HITCH
| Rear Type | II |
| Rear lift | 4435lbs / 2011kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540/1000 |
FORD 7700 TIRES
The Ford 7700 tractor is equipped with AG front tires sized 7.50-18 and AG rear tires 18.4-34, optimizing traction and stability for various agricultural applications. The larger rear tires improve load-carrying capacity and provide enhanced grip on uneven terrain, while the smaller front tires facilitate maneuverability in tighter spaces. However, this configuration may present challenges in weight distribution, potentially requiring ballast adjustments to prevent front-end lift during heavy towing or implements engagement.
| Ag front | 7.50-18 |
| Ag rear | 18.4-34 |
DIMENSIONS
| Wheelbase | 101.6inches / 258cm |
| Length | 150.2inches / 381cm |
| Width | 74inches / 187cm |
| Height (cab) | 113.4inches / 288cm |
| Height (exhaust) | 120.9inches / 307cm |
| Operating weight | 8,400lbs / 3810kg |
| Ballasted weight | 10,800lbs / 4898kg |
| Front tread | 56 to 88inches / 142to 223cm |
| Rear tread | 56 to 80inches / 142to 203cm |
DIMENSIONS & TIRES
The Ford 7700, with a wheelbase of 101.6 inches, provides enhanced stability and maneuverability, suitable for various agricultural tasks. Weighing 8,400 lbs, it offers a solid foundation for heavy lifting and towing, beneficial in robust field operations. However, the tire configuration (7.50-18 front and 18.4-34 rear) may limit its turf impact, making it less ideal for sensitive ground conditions.
| Wheelbase | 101.6inches / 258cm |
| Weight | 8,400lbs / 3810kg |
| Front tire | 7.50-18 |
| Rear tire | 18.4-34 |
FORD 772 LOADER
| Loader weight | 930lbs / 421kg |
| Height (to pin) | 124inches / 314cm |
| Clearance, dumped bucket | 98.7inches / 250cm |
| Dump reach | 24inches / 60cm |
| Dump angle | 35° |
| Reach at ground | 77inches / 195cm |
| Rollback angle | 6° |
| Breakout force (lift) | 3800lbs / 1723kg |
| Lift to full height (at pin) | 2460lbs / 1115kg |
| Bucket width | 48inches / 121cm |
| Raise time to height | 9 s |
| Lowering time | 5.5 s |
| Rollback time | 3 s |
FORD 774 LOADER
| Loader weight | 1689lbs / 766kg |
| Height (to pin) | 176inches / 447cm |
| Clearance, dumped bucket | 108inches / 274cm |
| Dump reach | 48inches / 121cm |
| Dump angle | 35° |
| Reach at ground | 83inches / 210cm |
| Rollback angle | 13° |
| Breakout force (lift) | 4500lbs / 2041kg |
| Lift to full height (at pin) | 2000lbs / 907kg |
| Bucket width | 78inches / 198cm |
| Raise time to height | 5.5 s |
| Lowering time | 5 s |
| Rollback time | 5 s |
FORD 772QT LOADER
| Loader weight | 1261lbs / 571kg |
| Height (to pin) | 128inches / 325cm |
| Clearance, dumped bucket | 105inches / 266cm |
| Dump reach | 43inches / 109cm |
| Dump angle | 45° |
| Reach at ground | 76inches / 193cm |
| Rollback angle | 8° |
| Breakout force (lift) | 3900lbs / 1769kg |
| Lift to full height (at pin) | 2500lbs / 1134kg |
| Bucket width | 48inches / 121cm |
| Raise time to height | 8.5 s |
| Lowering time | 5 s |
| Rollback time | 3 s |
7700 SERIAL NUMBERS
| Location | Transmssion, front right |
| 1975 | C450700 |
| 1976 | C490300 |
| 1977 | C527300 |
| 1978 | C560500 |
| 1979 | C595800 |
| 1980 | C635700 |
| 1981 | C660700 |