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Kubota M4000-M7500

75kubotam4000
83kubotam4050
75kubotam4000
83kubotam4050
Manufacturer
Models
Kubota M4000, Kubota M4050, Kubota M4500, Kubota M5500
Years
1976-1985
Info

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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Technical data
ModelKubota M4000Kubota M4050Kubota M4500Kubota M5500
Manufacturer nameKubotaKubotaKubotaKubota
Imported to FinlandNoNoNoNo
Years1976-831982-851978-851979-84
Engine modelS2200-AS2600-ALS2600-AD3000-A
Cyl/Turbo/Intercooler6663
Displacement2231 cm³2598 cm³2598 cm³2987 cm³
Bore x stroke76×82 mm82×82 mm82×82 mm105×115 mm
Rated power47,5/2600 hp DIN/rpm48/2600 hp DIN/rpm55,5/2600 hp DIN/rpm63/2400 hp DIN/rpm
Gears8+28+28+28+2
Synchronized gears4444
Speeds in km/h2,3-23,82,2-23,92,1-22,22,7-28,0
Hydr. flow l/min27.8 l/min35 l/min27.8 l/min30.5 l/min
Hydraulic pressure175 bar175 bar175 bar175 bar
Lift controlsmech.mech.mech.mech.
PTO speeds540/1000/ajo540540/ajo540/ajo
Brakeswet discwet discwet discwet disc
Steeringpowerpowerpowerpower
Front tyres 2WD6.00-166.00-166.00-166.00-16
Rear tyres 2WD13.6-2813.6-2814.9-2816.9-28
Weight 2WD(1870) kg(1850) kg(1910) kg(1920) kg
Height with cab(221) cm(224) cm-(229) cm
Length (2WD/4WD)334 cm337/345 cm337 cm337/353 cm
Wheelbase (2WD/4WD)199 cm199/203 cm199 cm199/206 cm
Fuel tank54 l54 l54 l54 l
Creeper gearopt.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-8.3-249.5-249.5-24
Rear tyres 4WD-13.6-2814.9-2816.9-28
Weight 4WD-(2090) kg(2150) kg(2304) kg
Diff. lock---differential lock with cogs