Ford 6700 Tractor Specifications (1977–1981)
The Ford 6700, produced from 1977 to 1981, is a mid-range row-crop tractor developed to replace the Ford 6600 row-crop variant.
It offered increased capabilities, improved high-crop clearance, and optional heavy-duty 4WD configurations.
Built with Ford’s reliable 4-cylinder diesel engine, robust inboard planetary final drives, and two transmission options, the 6700 became a highly trusted machine for tillage, row-crop cultivation, loader work, and transport operations.
Its proven performance in official Nebraska tractor tests further reinforced its reputation for durability and fuel efficiency.
1. Overview
| Item | Details |
|---|---|
| Model | Ford 6700 |
| Production Years | 1977–1981 |
| Type | Row-crop tractor |
| Manufacturer | Ford |
| Original Price (1981) | USD $22,000 |
| Variants | 6600 utility chassis / 6700 row-crop chassis |
| Drive Options | 2WD or 4WD |
| Operator Station | Open station; cab optional with heater & air-conditioning |
2. Engine
The Ford 6700 was offered with two engine configurations—both well known for reliability and pulling power.
Its 4.4L diesel version provides slightly more torque for demanding fieldwork.
| Specification | 4.2L Diesel | 4.4L Diesel |
|---|---|---|
| Displacement | 4.2 L | 4.4 L |
| Cylinders | 4-cyl, liquid-cooled | 4-cyl, liquid-cooled |
| Gross Engine Power | 75.5 hp (56.3 kW) | |
| Net Engine Power | 72.5 hp (54.1 kW) | |
| PTO Power (claimed) | 70 hp (52.2 kW) | |
| Fuel Capacity | 28 gal (106 L) / optional 47 gal (177.9 L) |
Engine Notes
-
Mechanical fuel injection system for easy maintenance
-
Strong torque curve suitable for plowing and PTO work
-
Efficient fuel consumption validated by performance tests
3. Transmission
| Transmission | Description |
|---|---|
| 8-speed gear | Standard, simple, durable |
| 16-speed two-speed powershift | High/low power range for better control under load |
Additional Mechanical Features
| Feature | Details |
|---|---|
| Final Drives | Inboard planetary |
| Differential Lock | Mechanical rear |
| Power Steering | Standard |
| Brakes | Mechanical wet disc |
4. Power & Nebraska Test Results
The Ford 6700 was officially tested, confirming strong performance in real-world farming applications.
| Category | Tested Output |
|---|---|
| Drawbar Power (tested) | 56.17 hp (41.9 kW) |
| PTO Power (tested) | 70.56 hp (52.6 kW) |
These results closely match or exceed the factory ratings—an indication of consistent and dependable power delivery.
5. Hydraulics
| Specification | Details |
|---|---|
| Hydraulic Type | Open center |
| Pressure | 2100 psi (144.8 bar) |
| Valves | 1 or 2 |
| Pump Flow | 9.7 gpm (36.7 L/min) |
Hitch System
| Item | Details |
|---|---|
| Rear Hitch Type | 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 (std.) / dual 540 & 1000 rpm optional |
| Shaft Size | 1.375″ (6-spline) |
| Engine RPM for PTO | 1000 rpm @ 2060 engine rpm |
7. Dimensions & Tires
| Item | Value |
|---|---|
| Overall Wheelbase | 101.6 in (258 cm) |
| Alternative Wheelbase | 85.5 in (217 cm) |
| Weight Range | 6,900 – 8,510 lbs |
| Front Tire | 7.50-16 |
| Rear Tire | 16.9-38 |
8. Attachments
Common compatible attachments include:
| Attachment | Use |
|---|---|
| Front-End Loader | Material handling, lifting |
| Disc Harrows | Seedbed preparation |
| Moldboard Plows | Primary tillage |
| Sprayers | Row-crop applications |
| Balers & PTO Implements | Hay production |
9. Photos
Summary
The Ford 6700 remains a highly valued mid-range row-crop tractor due to its:
-
Reliable 4.2L / 4.4L diesel engines
-
Strong PTO performance (~70 hp tested)
-
Durable inboard planetary final drives
-
Optional 16-speed powershift transmission
-
High lift capacity and dependable hydraulics
-
Compatibility with a wide range of farm attachments
For farmers seeking a rugged and proven workhorse, the Ford 6700 remains an exceptional choice—especially in export markets requiring strong, easy-to-maintain tractors.
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