________________________________________________________________________________________
Kubota B5100 Maintenance
The
Kubota B5100 is a two-wheel drive or four-wheel drive sub-compact utility
tractor. This model was manufactured between 1978 and 1984. The tractor was
designed in 2 versions: B5100E (2WD) and B5100DT (4WD).
The Kubota B5100 is equipped with a 31 cu.in (0.5L) Kubota Z500-1A
4-cycle 2-cylinder liquid-cooled naturally aspirated diesel engine. The
engine has a cylinder bore of 2.63" (67 mm), piston stroke of 2.76" (70
mm), maximum power of 12 hp (8.9 kW), and 28.1 Nm (20.7 lb-ft) of max
torque at 1800 rpm.
The mechanical transmission consists of a dry clutch and unsynchronized
gearbox with six forward and two reverse gears. The maximum forward
speed - 8 mph (12.8 km/h), maximum reverse speed - 4 mph (6.4 km/h). The
Kubota B5100 was equipped with a ball screw type manual steering,
differential mechanical shoe brakes, 4.00x9 (2WD) or 4.50x10 (4WD) front
tires, and 7.00x16 rear tires. The wheelbase is 46.6 in (1180 mm).
Engine oil capacity, gal (L) |
0.6 (2.3) |
Engine coolant capacity, gal (L) |
0.8 (3.0) |
Hydraulic/transmission fluid capacity, gal (L) |
2.25 (8.5) |
Front axle oil capacity, qts (L) |
0.65 (0.60) |
Recommended Oil and Fluid |
Engine oil type |
SAE 20, SAE 30, SAE 10W, 10W-30. API Service category CC, CD |
Engine coolant type |
Kubota Antifreeze/Coolant |
Hydraulic/transmission fluid type |
Kubota UDT or equivalent |
Front axle oil type |
Gear lube SAE 80, SAE 80W-90 |
Check battery and clean terminals |
Every 50 hours |
Check front axle oil level |
Every 50 hours |
Check hydraulic/transmission fluid level |
Every 50 hours |
Lubricate axle hub bearings |
Every 50 hours |
Change engine oil |
Every 75 hours |
Clean engine air filter element |
Every 100 hours |
Clean engine fuel filter |
Every 100 hours |
Inspect and adjust fan belt |
Every 100 hours |
Replace engine oil filter |
Every 150 hours |
Replace hydraulic/transmission oil filter |
Every 300 hours |
Change hydraulic/transmission fluid |
Every 300 hours |
Change front axle oil |
Every 300 hours |
Check and adjust engine idling |
Every 300 hours |
Adjust parking and service brakes |
Every 300 hours |
Clean radiator fins |
Every 500 hours |
Replace engine air filter element |
Every 500 hours |
Change engine fuel filter element |
Every 500 hours |
Check and adjust valve clearance |
Every 500 hours |
Flush cooling system and add new coolant |
Every 1000 hours |
Engine oil filter part number |
HH150-32094 |
Engine fuel filter part number |
1T021-43560 (Element) |
Engine air filter part number |
70000-11221 |
Hydraulic/transmission oil filter part number |
66591-36224 |
Drive belt part number |
70000-73818 |
________________________________________________________________________________________
________________________________________________________________________________________
Farm Tractors Technical Specifications |