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Kubota M8580 Tractor
The
Kubota M8580 utility tractor from M80 Series was manufactured from 1991 to 1999.
The Kubota M8580 powertrain system components: a 284.7 cu.in (4.7 L) Kubota
V4702-A 4-cylinder direct injection water-cooled diesel engine and power shuttle
transmission with 12 forward and 12 reverse gears. The engine has a cylinder
bore of 4.29" (109 mm), piston stroke of 4.92" (125 mm), and rated power of 85
hp (63 kW). The maximum travel speed (forward/reverse): 22.5 mph (36 kph) and
22.2 mph (35.5 kph).
The open center hydraulic system has a gear pump with a rated capacity
of 21.1 gal/min (79.9 l/min). The Kubota M8580 is equipped with a
hydrostatic power steering, hydraulic wet disc brakes, 12.4x24 or
13.6x24 front tyres, and 16.9x34 or 18.4x34 rear tyres. The tractor can
be equipped with the following attachments:
Kubota M1410 front-end loader
with a lift capacity to full height of 3100 lbs (1406 kg), or
Kubota M1275 front-end loader
with a lift capacity to full height of 2800 lbs (1270 kg).
Engine Model |
Kubota V4702-A |
Engine Type |
4-Stroke 4-cylinder water-cooled diesel |
Number of Cylinders |
4 |
Displacement, cu.in (L) |
284.7 (4.70) |
Engine Bore, in (mm) |
4.29 (109.0) |
Engine Stroke, in (mm) |
4.92 (125.0) |
Aspiration |
Natural |
Maximum Engine Power, hp (kW) |
85.0 (63.0) |
Rated Engine Speed, rpm |
2400 |
Firing Order |
1-3-4-2 |
Fuel System |
Injection pump |
Combustion Chamber |
Direct injection |
Valve Clearance, in (mm) |
0.010 (0.25) |
Piston Ring End Gap, in (mm) |
0.024 (0.61) |
Piston Diameter, in (mm) |
4.288 (108.49) |
Fuel Tank Capacity, gal (L) |
27.7 (104.8) |
Coolant Capacity, qts (L) |
15.2 (14.4) |
Electrical System Rating, Volts |
12 |
Charging System |
Alternator |
PTO Operational Type |
Independent |
PTO Horsepower, hp (kW) |
80.0 (59.7) |
PTO Clutch |
Hydraulic wet disc |
PTO Speed, rpm |
540/1000 |
Transmission Type |
Power shuttle |
Gearbox Type |
12F/12R, synchronized gears |
Number of Forward Gears |
12 |
Number of Reverse Gears |
12 |
Clutch Type |
Wet disc |
Maximum Forward Speed, mph (kph) |
22.5 (36.0) |
Maximum Reverse Speed, mph (kph) |
22.2 (35.5) |
Drive Wheels |
4WD 4x4 |
Steering Configuration |
Front steer |
Steering System |
Hydrostatic power |
Brakes Type |
Hydraulic wet disc |
Front Tire Size (Std) |
12.4x24 |
Rear Tire Size (Std) |
16.9x34 |
Front Tire Size (Opt) |
13.6x24 |
Rear Tire Size (Opt) |
18.4x34 |
Front Tread, in (mm) |
64.6-68.5 (1640-1730) |
Rear Tread, in (mm) |
59.1-83.1 (1500-2110) |
Hydraulic System Type |
Open center |
Implement Pump Flow, gpm (Lpm) |
21.1 (79.9) |
Steering Pump Flow, gpm (Lpm) |
8.5 (32.5) |
Number of Standard Remote Valves |
2/3 |
3-Point Hitch Category |
2 |
Draft Sensing or Lift Control |
Position and draft control |
Standard Lift Capacity 24-in (610mm) behind pin, lb (kg) |
5810 (2635) |
Wheelbase, in (mm) |
96.1 (2440) |
Overall Length, in (mm) |
161.8 (4100) |
Height (Cab), in (mm) |
104.6 (2650) |
Width, in (mm) |
79.5 (2010) |
Ground Clearance, in (mm) |
24.2 (610) |
Weight, lb (kg) |
8375 (3800) |
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Farm Tractors Technical Specifications |