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Siirry sivupalkkiinSiirry alaosaanKubota M4000-M7500




Kubota’s first proper agricultural tractor was the M4000 introduced in 1976, which was partly licensed from Fiat. The main market area was the USA. The engine was Kubota’s own 2.2-liter 6-cylinder. The transmission was partially synchronized and had 8+2 gears, with creep gears bringing it to 16+4. The brakes were oil-immersed discs. The power take-off (PTO) was independent, and besides the speeds of 540/1000 rpm, there was also a driven PTO. The front axle was Kubota’s own.
In 1978, the slightly more powerful M4500 was introduced alongside it, which was also available as a low-profile fruit-growing version and as a four-wheel-drive model. The 1979 M5500 featured a 3-cylinder 3.0-liter engine, similar in size to a conventional tractor engine. It had 63 hp. New was also a front axle differential lock. The most powerful model in the series in the USA was the 81-horsepower M7500. The last representative of this series was the M4050, successor to the M4000.
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| Model | Kubota M4000 | Kubota M4050 | Kubota M4500 | Kubota M5500 |
|---|---|---|---|---|
| Manufacturer name | Kubota | Kubota | Kubota | Kubota |
| Imported to Finland | No | No | No | No |
| Years | 1976-83 | 1982-85 | 1978-85 | 1979-84 |
| Engine model | S2200-A | S2600-AL | S2600-A | D3000-A |
| Cyl/Turbo/Intercooler | 6 | 6 | 6 | 3 |
| Displacement | 2231 cm³ | 2598 cm³ | 2598 cm³ | 2987 cm³ |
| Bore x stroke | 76×82 mm | 82×82 mm | 82×82 mm | 105×115 mm |
| Rated power | 47,5/2600 hp DIN/rpm | 48/2600 hp DIN/rpm | 55,5/2600 hp DIN/rpm | 63/2400 hp DIN/rpm |
| Gears | 8+2 | 8+2 | 8+2 | 8+2 |
| Synchronized gears | 4 | 4 | 4 | 4 |
| Speeds in km/h | 2,3-23,8 | 2,2-23,9 | 2,1-22,2 | 2,7-28,0 |
| Hydr. flow l/min | 27.8 l/min | 35 l/min | 27.8 l/min | 30.5 l/min |
| Hydraulic pressure | 175 bar | 175 bar | 175 bar | 175 bar |
| Lift controls | mech. | mech. | mech. | mech. |
| PTO speeds | 540/1000/ajo | 540 | 540/ajo | 540/ajo |
| Brakes | wet disc | wet disc | wet disc | wet disc |
| Steering | power | power | power | power |
| Front tyres 2WD | 6.00-16 | 6.00-16 | 6.00-16 | 6.00-16 |
| Rear tyres 2WD | 13.6-28 | 13.6-28 | 14.9-28 | 16.9-28 |
| Weight 2WD | (1870) kg | (1850) kg | (1910) kg | (1920) kg |
| Height with cab | (221) cm | (224) cm | - | (229) cm |
| Length (2WD/4WD) | 334 cm | 337/345 cm | 337 cm | 337/353 cm |
| Wheelbase (2WD/4WD) | 199 cm | 199/203 cm | 199 cm | 199/206 cm |
| Fuel tank | 54 l | 54 l | 54 l | 54 l |
| Creeper gear | opt. | opt. | opt. | opt. |
| Lift capacity | - | 1700 kg | - | - |
| Turning circle m 2WD | - | 6.8 | - | 7.8 |
| Turning circle m 4WD | - | 7.8 | - | 8.2 |
| Front tyres 4WD | - | 8.3-24 | 9.5-24 | 9.5-24 |
| Rear tyres 4WD | - | 13.6-28 | 14.9-28 | 16.9-28 |
| Weight 4WD | - | (2090) kg | (2150) kg | (2304) kg |
| Diff. lock | - | - | - | differential lock with cogs |
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