________________________________________________________________________________________
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) |
________________________________________________________________________________________
________________________________________________________________________________________
| Farm Tractors Technical Specifications |