Technical specifications of the agricultural tractors International 554, 644, 744, 844:
International 554
- Years of production: 74-75
- Maximum engine power (HP) / at RPM: 54/2180
- Number of gearbox speeds (forward + reverse): 8+4
- Maximum speed (km/h): –
- Fuel tank capacity (L): 74
International 644
- Years of production: 74-80
- Maximum engine power (HP) / at RPM: 60/2150
- Number of gearbox speeds (forward + reverse): 8+4
- Maximum speed (km/h): –
- Fuel tank capacity (L): 74
International 744
- Years of production: 74-80
- Maximum engine power (HP) / at RPM: 70/2300
- Number of gearbox speeds (forward + reverse): 8+4
- Maximum speed (km/h): –
- Fuel tank capacity (L): 74
International 844
- Years of production: 74-80
- Maximum engine power (HP) / at RPM: 75/2300
- Number of gearbox speeds (forward + reverse): 8+4
- Maximum speed (km/h): –
- Fuel tank capacity (L): 102
For details and a comparison of the tractors, see the technical sheet below.
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Technical Data Sheet for International 554, 644, 744 agricultural tractors:
| Model | International 554 | International 644 | International 744 | International 844 |
|---|---|---|---|---|
| Years of production | 74-75 | 74-80 | 74-80 | 74-80 |
| Engine designation/type | D-206 | D-206 | D-239 | D-246 |
| Number of cylinders / Turbo / Intercooler | 4 | 4 | 4 | 4 |
| Engine displacement (cm³) | 3382 | 3382 | 3911 | 4034 |
| Piston diameter / Stroke (mm) | 98,4×111,1 | 98,4×111,1 | 98,4×128,5 | 100×128,5 |
| Maximum engine power (HP) / at RPM | 54/2180 | 60/2150 | 70/2300 | 75/2300 |
| Torque (Nm) / at RPM | 196/1500 | 212/1600 | 230/1200 | 263/1500 |
| Number of gearbox speeds (forward + reverse) | 8+4 | 8+4 | 8+4 | 8+4 |
| Number of synchronized gears (forward + reverse) | 8+4 | 8+4 | 8+4 | 8+4 |
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| Fast gearbox / Power shift | – | – | – | – |
|---|---|---|---|---|
| Reverser type | – | – | – | – |
| Speed range (km/h) | 1,3-27,3 | 1,8-28,3 | 1,5-29,7 | 1,5-29,7 |
| Maximum speed (km/h) | – | – | – | – |
| Hydraulic pump capacity (L/min) | 30 | 30 | 30 | 30 |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2900 | 2900 | 2900 | 2900 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540 | 540/1000 |
| Type of disc brake (dry/wet) | – | – | – | – |
| Brake system control type | mech | mech | mech | hydr |
| Turning radius 2WD (m) | 8,3 | 8,3 | 8,3 | 8,6 |
| Turning radius 4WD (m) | 9,5 | 9,5 | 10,2 | 10,2 |
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| Front tire size 2WD | 7,50-16 | 7,50-16 | 7,50-18 | 7,50-18 |
|---|---|---|---|---|
| Front tire size 4WD | 9,5-24 | 11,2-24 | 11,2-24 | 11,2-24 |
| Rear tire size 2WD | 14,9-30 | 16,9-30 | 16,9-34 | 13,6-38 |
| Rear tire size 4WD | 16,9-30 | 16,9-34 | 16,9-34 | 16,9-34 |
| Total weight 2WD (kg) | 2615 | 2880 | 3080 | 3180 |
| Total weight 4WD (kg) | 3210 | 3400 | 3500 | 3600 |
| Total height with cabin (cm) | 248 | 249 | 255 | 255 |
| Total length (cm) | 349 | 349/378 | 352 | 368/394 |
| Total width (cm) | 223 | 223/219 | 223/219 | 239/235 |
| Fuel tank capacity (L) | 74 | 74 | 74 | 102 |
| Cabin noise level (dB) | 97/88 | 87,5 | 94/90 | 87 |
Fuel consumption and user reviews of tractors International 554, 644, 744, 844:
International 554, 644, 744, 844 Gallery:
