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| info | |
| 1973 - 1975, Sub-Compact Utility tractor | |
| Previous model: | Allis Chalmers 616 |
| Next model: | Allis Chalmers 720 |
| Production | |
| Distributor: | Allis Chalmers |
| Manufacturer: | Simplicity |
| Capacity | |
| Fuel: | 3.8 gal [14.4 L] |
| Hydraulic system: | 1.25 gal [4.7 L] |
| 3-Point Hitch | |
| Rear Type: | 0 |
| Power Take-off (PTO) | |
| Rear PTO: | electric |
| Rear RPM: | 2000 |
| Front PTO: | electric |
| Front RPM: | 2000 |
| Dimensions & Tires | |
| Wheelbase: | 56 inches [142 cm] |
| Weight: | 1,500 lbs [680 kg] |
| Front tire: | 4.00x12 |
| Rear tire: | 8x16 |
| 620 Serial Numbers | |
| - Serial numbers unknown - |
| Allis Chalmers 620 Power | |
| Engine: | 19.5 hp [14.5 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD |
| Cab: | Open operator station. |
| Hydraulics | |
| Capacity: | 1.25 gal [4.7 L] |
| Pressure: | 500 psi [34.5 bar] |
| Total flow: | 2.25 gpm [8.5 lpm] |
| Electrical | |
| Ground: | negative |
| Charging amps: | 20 |
| Battery | |
| Number: | 1 |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 3.25x3.00 inches [83 x 76 mm] |
| Power: | 19.5 hp [14.5 kW] |
| Air cleaner: | paper element |
| Compression: | 7:1 |
| Rated RPM: | 3600 |
| Starter volts: | 12 |
| Oil capacity: | 3.5 qts [3.3 L] |
| Engine Detail | |
| Onan CCKB, gasoline, 2-cylinder, liquid-cooled, 49.8 ci [0.8 L] |
| info | |
| Previous model: | Allis Chalmers 616 |
| Next model: | Allis Chalmers 720 |
| Transmission | |
| Type: | hydrostatic |
| Gears: | infinite (3-range) forward and reverse |
| info | |
| Previous model: | Allis Chalmers 616 |
| Next model: | Allis Chalmers 720 |
| Dimensions | |
| Weight: | 1,500 lbs [680 kg] |
| Wheelbase: | 56 inches [142 cm] |
| Length: | 83 inches [210 cm] |
| Width: | 48 inches [121 cm] |
| Height: | 43.25 inches [109 cm] |
| Ground clearance: | 15 inches [38 cm] |
| 2WD turn radius: | 3 feet [0.9 m] |
| Allis Chalmers 620 Tires | |
| Ag front: | 4.00x12 |
| Ag rear: | 8x16 |
| Lawn/turf front: | 20-8x10 |
| Lawn/turf rear: | 29-12.5x15 |