Ford 6610 Overview
The Ford 6610 is a later Ford utility tractor built from 1982 through 1993, usually with a 268 ci diesel and open-center hydraulics. It is a practical size for loader work, hay jobs, and general farm use, but model code and serial range still matter.
Use the operator manuals, service material, and parts catalogs to confirm transmission, PTO, hitch, and hydraulic details before ordering. The page ties the spec table to the documents that help keep a real 6610 serviceable.
Ford 6610 Quick Answers
- Production yearsThe Ford 6610 was produced from 1982 through 1993.
- PowerThe two Nebraska power tests are different configurations: Test 1430 (diesel 16x4 4WD) lists 72.13 PTO hp at rated engine speed and 60.96 drawbar hp maximum; Test 1431 (diesel 16x8 2WD) lists 72.30 PTO hp and 61.37 drawbar hp.
- EngineThe published engine table lists a 268 ci Ford diesel at 2100 rated rpm, 78.5 engine hp, and 82 gross engine hp.
- PTO and hitchRear PTO is 540 rpm and the rear hitch is Category II.
- Service capacityCapacities include engine oil 9 qts, transmission oil 56 qts, hydraulic system 15 gal.
Engine and Power
The published engine table lists a 268 ci diesel at 2100 rated rpm. For tested power, use Nebraska Test 1430 for the diesel 16x4 4WD configuration and Test 1431 for the diesel 16x8 2WD configuration.
Diesel engine
Ford / diesel / 4-cylinder / liquid-cooled
| Displacement | 268 ci 4.4 L |
|---|---|
| Bore Stroke | 4.4x4.4 inches 112 x 112 mm |
| Power | 78.5 hp 58.5 kW |
| Power Gross | 82 hp 61.1 kW |
| Air Cleaner | dual paper elements |
| Compression | 16.3:1 |
| Rated Rpm | 2100 |
| Torque | 219 lb-ft 297.0 Nm |
| Starter Volts | 12 |
| Engine Oil Capacity | 9 qts 8.5 L |
| Coolant Capacity | 13.5 qts 12.8 L |
Manufacturer
Manufacture years
Engine
Transmission
Transmission family includes multiple gear counts across Dual-range variants, with configurations that include 8/2, 8/4, 16/4, and 16/8 gearing, plus Dual Power options for additional shifts. Exact setup depends on model code and serial range.
Dual-range
| Name | Dual-range |
|---|---|
| Gears | 8 forward and 2 reverse |
| Transmission Oil Capacity | 56 qts 53.0 L |
Dual-range
| Name | Dual-range |
|---|---|
| Type | synchromesh |
| Gears | 8 forward and 4 reverse |
Dual Power
| Name | Dual Power |
|---|---|
| Type | partial power shift |
| Gears | 16 forward and 4 reverse |
Dual Power
| Name | Dual Power |
|---|---|
| Type | synchromesh partial power shift |
| Gears | 16 forward and 8 reverse |
PTO and Hitch
Rear PTO is 540 rpm with independent drive in certain configurations; rear hitch is Category II in the documented variants.
Rear PTO
Rear PTO type
Rear hitch
Rear lift at 24 inches
Hydraulics
Open-center hydraulics with a 9.7 gpm pump (Series I), 2500 psi, and 1 remote valve. Steering flow is 3.6 gpm.
Type
Capacity
Pressure
Pump flow
Valves
Fluids, Battery, and Service Facts
Maintenance and capacity references include engine oil 9 qts, coolant 13.5 qts, hydraulic system 15 gal, and transmission oil 56 qts, with battery at 12V.
Fuel tank
Hydraulic system
Battery volts
Battery Ah
Tires and Dimensions
Tire and dimension values can vary by wheel, axle, and configuration.
Configuration-specific values are split out where the same model has documented differences by engine, transmission, or equipment.
Weight
Width
Front tire
Rear tire
Ag front
- 7.50-16 (2WD)
- 7.50-18 (2WD)
Ag rear
- 16.9-30
- 18.4-30
Electrical
Electrical rows are included when documented.
Ground
Charging system
Charging amps
Battery volts
Serial Number Lookup
Serial numbers are listed by year; location is on a plate inside the engine compartment and on the right-front of the transmission.
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
location
Manuals and Documents
Use these links to check the operator manual, service manual, parts catalog, or test report that matches the tractor's serial range and equipment.
When a source covers more than one model or variant, confirm the fuel type, transmission, PTO setup, and serial range before using it for parts or service.
Tractor test report
- Nebraska Test 1430: Ford 6610 diesel 16x4tested performance
Official Nebraska Tractor Test page for the Ford 6610 and 6710 diesel 16x4 4WD test configuration.
Open test report - Nebraska Test 1431: Ford 6610 diesel 16x8tested performance
Official Nebraska Tractor Test page for the Ford 6610 and 6710 diesel 16x8 2WD test configuration.
Open test report
Manual
- Ford 5610 | 6610 | 7610 Tractor Operators Manualoperation, lubrication, maintenance
Operator manual for Ford 5610, 6610, and 7610 (two-volume set accessible as one manual); covers operation, lubrication, maintenance, wheel settings, and general specs.
Open source
Parts catalog
- Ford 6610 Quick Reference Parts Guideparts matching
Quick reference parts guide for Ford 6610; includes 2WD front axle, engine, fuel system, transmission, hydraulics, and other major assemblies.
Open source
Parts Checks Before Ordering
Do not order Ford 6610 parts from the model name alone. Match the part to the tractor's model code, serial range, engine, transmission, PTO setup, and build year before choosing service parts.
Filters, fluids, belts, electrical parts, clutch and PTO parts, and hydraulic parts can vary by setup. Exact part numbers need a parts catalog, manual, or trusted supplier source before they become recommendations.
Accuracy Note
Tractor specifications can vary by year, region, factory configuration, installed equipment, and later repairs. Match serial range, engine, transmission, PTO setup, and model code before ordering parts or doing service work.