| Production | |
| Manufacturer | Ford |
| Utility tractor | |
| Built in Highland Park, Michigan, USA | |
| Original price was $2,266 in 1957 | |
| Variants | |
| 620 | no PTO, hydraulics, or 3-point hitch |
| 630 | no PTO |
| 640 | four-speed |
| 650 | five-speed |
| 660 | five-speed, live PTO |
| Ford 660 Engines | |
| Ford 2.2L 4-cyl gasoline | |
| Ford 2.2L 4-cyl LP gas | |
| Ford 660 Transmission | |
| 5-speed unsynchronized gear | |
| Ford 660 Power | |
| Belt (claimed) | 30 hp 22.4 kW |
| Plows | 2 (14-inch) |
| Drawbar (tested) | 28.23 hp 21.1 kW |
| Belt (tested) | 34.25 hp 25.5 kW |
| Mechanical | |
| Two-wheel drive | |
| Steering | manual |
|   | power assist optional |
| Differential mechanical expanding shoe brakes | |
| Open operator station. | |
| Photos | |
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| Capacity | |
| Fuel | 11 gal 41.6 L |
| Hydraulic system | 2.25 gal 8.5 L |
| Hydraulics | |
| Type | open center |
| Capacity | 2.25 gal 8.5 L |
| Pressure | 2000 psi 137.9 bar |
| Pump flow | 4.8 gpm 18.2 lpm |
| Steering flow | 6.5 gpm 24.6 lpm |
| Steering press. | 100 psi 6.9 bar |
| Tractor hitch | |
| Rear Type | I |
| Control | position and draft control |
| Rear lift | 1250 lbs 567 kg |
| Power Take-off (PTO) | |
| Rear PTO | live *Two-stage clutch |
| Rear PTO Type | 540 (1.125) |
| Dimensions & Tires | |
| Wheelbase | 75.2 inches 191 cm |
| Weight | 3095 lbs 1403 kg |
| Front tire | 5.50-16 |
| Rear tire | 11-28 |
| 660 Serial Numbers | |
| 1954 | 1 |
| 1955 | 10615 |
| 1956 | 77271 |
| 1957 | 116368 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 9 inches 22 cm |
| Width | 6.5 inches 16 cm |
| RPM | 1366 |
| Speed | 3218 ft/min 980.85 meters/min |
| Electrical | |
| Ground | positive |
| Charging system | generator |
| Charging amps | 20 |
| Battery volts | 6 |
| References | |
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| Owner's Manual Series 600 and 800 (SE6085) published in 1956 | |
| Accessories and special items for your Ford tracotr published in 1958 | |
| 1955-1960 Tractor Shop Manual (SE-8175) published in 1961 | |
| New 600 Model Ford Tractor published in 1954 |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 20, 2024 | |
| https://www.dmcretail.com/newholland - Official Ford operator manuals from CNH. |