M-R-S A-90: all source data
All 32 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | M-R-S |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Built in Flora, Mississippi, USA |
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Engine| (no label) | Cummins 6.6L 6-cyl diesel |
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Transmission| (no label) | 10-speed |
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Power| Engine | 123 hp | 91.7 kW |
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| Drawbar (claimed) | 90 hp | 67.1 kW |
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Mechanical| Drive | 4x4 4WD |
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| (no label) | Power four-wheel steering |
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| (no label) | Open operator station. |
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Dimensions| Wheelbase | 100 inches | 254 cm |
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| Weight | 24000 lbs | 10886 kg |
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| Front tire | 18.4x26 |
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| Rear tire | 18.4x26 |
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Engine
Engine detail| (no label) | Cummins JN-130-CI |
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| (no label) | diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 401 ci | 6.6 L |
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| Bore/Stroke | 4.125x5.00 inches | 105 x 127 mm |
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| Power | 123 hp | 91.7 kW |
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| Rated RPM | 2200 |
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| Starter type | electric |
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Transmission
Transmission| Gears | 10 forward and 2 reverse |
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Dimensions
Tires| Ag front | 18.4x26 |
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| Ag rear | 18.4x26 |
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Dimensions| Wheelbase | 100 inches | 254 cm |
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| Height | 114 inches | 289 cm |
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| Weight | 24000 lbs | 10886 kg |
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| Ground clearance | 16 inches | 40 cm |
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| Front tread | 75 inches | 190 cm |
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| Rear tread | 75 inches | 190 cm |
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