Minneapolis-Moline ZA/ZB/UB
The Minneapolis-Moline Z was redesigned as the ZA in 1949. The engine had an increased stroke length. New features included a hydraulic lifting device. The wheels had grown to 38 inches. The steering shaft was still on the left side, but its height could now be adjusted. In addition to row-crop models, the lineup now also included a Standard version with a shorter wheelbase. Electric start with a 6-volt electrical system was now standard equipment.
In the ZB and UB models, the driver sat significantly higher than before; the reported heights of 188…200 cm to the steering wheel were remarkably tall at the time. The steering wheel was moved to the centerline, although the steering shaft still ran on the side. The clutch was now operated by a pedal. The optional power take-off was equipped with a separate clutch. The ignition system was 12 volts, and the cooling system was pressurized. Another new feature was disc brakes. The ZB and UB were always row-crop tractors, but one option was the ZBE/UBE with a wide-adjustable front axle.
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| Model | Minneapolis-Moline ZAU | Minneapolis-Moline ZAS | Minneapolis-Moline ZBU | Minneapolis-Moline UBU |
|---|---|---|---|---|
| Options | ||||
| Manufacturer name | Minneapolis-Moline | Minneapolis-Moline | Minneapolis-Moline | Minneapolis-Moline |
| Imported to Finland | No | No | No | No |
| Years | 1949-53 | 1949-53 | 1953-55 | 1953-55 |
| First year sold | 1949 | 1949 | 1953 | 1953 |
| Last year sold | 1953 | 1953 | 1955 | 1955 |
| Engine model | 2068-4 | 2068-4 | 2068-4 | 283A |
| Cyl/Turbo/Intercooler | 4 | 4 | 4 | 4 |
| Displacement | 3382 cm³ | 3382 cm³ | 3382 cm³ | 4649 cm³ |
| Bore x stroke | 92,1×127 mm | 92,1×127 mm | 92,1×127 mm | 108×127 mm |
| Power | 40 | 40 | 40 | 51 |
| Power speed | 1500 | 1500 | 1500 | 1300 |
| Rated power hp/rpm SAE | 40/1500 | 40/1500 | 40/1500 | 51/1300 |
| Gears | 5+1 | 5+1 | 5+1 | 5+1 |
| Speeds in km/h | 3,9-21,1 | 3,9-21,1 | 3,9-21,1 | 3,4-24,3 |
| Lift controls | mech. | mech. | mech. | mech. |
| PTO speeds | (615) | (615) | (615) | (585) |
| Brakes | drum brakes | drum brakes | disc brakes | disc brakes |
| Steering | mech. | mech. | mech. | mech. |
| Turning circle m 2WD | 4.88 | 7.32 | 4.06 | 5.18 |
| Front tyres 2WD | 5.50-16 | 5.50-16 | 5.50-16 | 6.00-16 |
| Rear tyres 2WD | 11-38 | 11-38 | 11-38 | 12-38 |
| Weight 2WD | (1701) kg | (1706) kg | (1678) kg | (2404) kg |
| Height with cab | (185) cm | (165) cm | (188) cm | (200) cm |
| Length (2WD/4WD) | 328 cm | 315 cm | 321 cm | 338 cm |
| Wheelbase (2WD/4WD) | 211 cm | 185 cm | 208 cm | 224 cm |
| Fuel tank | 72 l | 72 l | 72 l | 79 l |
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