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Kubota B7100HST

Kubota B7100HST tractor
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The Kubota B7100HST is a compact utility tractor produced from 1977 to 1984 as part of Kubota's B Series. It features a 0.8L 3-cylinder liquid-cooled diesel engine producing 16 hp gross, with a hydrostatic transmission offering infinite forward and reverse speeds in two ranges. The tractor is available in two- or four-wheel drive configurations with mechanical rear differential lock and manual steering. It has an open operator station with optional two-post ROPS. The B7100HST supports various attachments including mid-mount mower decks, blades, front-end loaders, and backhoes, making it versatile for multiple tasks. It has a fuel capacity of 3.4 gallons and a hydraulic system capacity of 3.6 gallons with an open center hydraulic system and 3 gpm pump flow. Dimensions vary slightly between 2WD and 4WD models, with weights ranging from 1151 to 1265 pounds.
Kubota B7100HSTKubota B7100compact utility tractor16 hp tractorhydrostatic transmissionKubota diesel enginetractor attachmentstractor dimensions
Power16 hp
Founded1977 - 1984
ModelB7100HST

Technical Specifications

Detailed specifications and technical data for Kubota B7100HST

Power

PTO (claimed):13 hp (9.7 kW)
Engine (gross):16 hp (11.9 kW)

Tires

Lawn/turf rear:29-12.00x15
Lawn/turf front:20.5-8.00x10
2WD Standard tires (ag):Front: 6.9-9. Rear: 8.3-16
4WD Standard tires (ag):Front: 6-12. Rear: 8.3-16

Engine

Type:diesel
Model:Kubota D750-AH
Torque:31.8 lb-ft (43.1 Nm)
Cooling:liquid-cooled
Cylinders:3-cylinder
Rated RPM:2800
Torque RPM:1800
Air cleaner:dry
Bore/Stroke:2.625x2.75 inches (67 x 70 mm)
Pre-heating:glow plugs
Displacement:46.5 ci (0.8 L)
Oil capacity:3.3 qts (3.1 L)
Power (gross):16 hp (11.9 kW)
Starter power:1.1 hp (0.8 kW)
Starter volts:12
Coolant capacity:4.9 qts (4.6 L)
Oil change interval:75 h

Capacity

Fuel:3.4 gal (12.9 L)
Hydraulic system:3.6 gal (13.6 L)

Dimensions

Width:40.1 inches (101 cm)
Length:83.8 inches (212 cm)
2WD Weight:1151 lbs (522 kg)
4WD Weight:1265 lbs (573 kg)
Rear tread:26/27.95/29.92 inches (66/70/75 cm)
2WD Wheelbase:54.7 inches (138 cm)
4WD Wheelbase:55.1 inches (139 cm)
2WD Front tread:27.4 inches (69 cm)
4WD Front tread:33.5 inches (85 cm)
2WD Ground clearance:10.2 inches (25 cm)
4WD Ground clearance:9.5 inches (24 cm)
2WD Height (steering wheel):46.1 inches (117 cm)
4WD Height (steering wheel):46.7 inches (118 cm)

Electrical

Ground:negative
Battery AH:45
Battery volts:12

Hydraulics

Type:open center
Capacity:3.6 gal (13.6 L)
Pump flow:3 gpm (11.4 lpm)

Mechanical

Drive:Two- or four-wheel drive
Brakes:Differential mechanical expanding shoe brakes
Steering:Manual
Operator station:Open operator station. Two-post ROPS available.
Differential lock:mechanical rear

Production

Type:Compact Utility tractor
Series:B Series
Built in:Japan
Variants:B7100HST-E 2WD hydro, B7100HST-D 4WD hydro, B7100HSD 4WD hydro, B7100 gear drive
Years produced:1977 - 1984

Attachments

Overview:48" mid-mount mower deck, 60" mid-mount mower deck, blade, front-end loader, backhoe
48" Blade:Kubota B2030, front-mount, 48 inches width (121 cm), 17.5 inches height (44 cm), 9.8 inches lift (24 cm), Angling 30°, 5.6 inches cut (14 cm), 315 lbs (142 kg), hydraulic-lift, manual-angle hydraulic-angle (Optional)
B1630C Loader:510 lbs lift (full at pin) (231 kg), 780 lbs breakout (353 kg), 46° dump, 20.25 inches reach (dumped) (51 cm), 48.3 inches reach (ground) (122 cm), 28° rollback, 67.7 inches height (at pin) (171 cm), 51.5 inches clearance (dumped) (130 cm), boom cyl: 1.5 inches (3 cm), boom rod: 1.12 inches (2 cm), bucket cyl: 1.5 inches (3 cm), bucket rod: 1.0 inches (2 cm), Bucket width: 48 inches (121 cm)
48" Mower deck:Kubota MR4800, 48 inches (121 cm), Total width: 60.4 inches (153 cm), 3-blade, hydraulic lift, right-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm), 220 lbs (99 kg)
60" Mower deck:Kubota RC60-71, 60 inches (152 cm), 3-blade, hydraulic lift
Kubota B670 Backhoe:Backhoe type: Kubota B670 Backhoe, Weight: 750 lbs (340 kg), Transport height: 61 inches (154 cm), Bucket width: 9 inches (22 cm), 13 inches (33 cm), 16 inches (40 cm), 2-Foot flat digging depth: 73 inches (185 cm), Reach from pivot: 100 inches (254 cm), Loading height: 60 inches (152 cm), Bucket Rotation: 180°, Swing Arc: 180°, Bucket force: 2400 lbs (1088 kg)

Transmission

Type:hydrostatic
Gears:infinite forward and reverse (2-range)
Oil capacity:14.2 qts (13.4 L)

Tractor hitch

Rear Type:I

Serial Numbers

1980:10157
1981:11035
1982:13305
1983:51426
1984:53433
Location:Clutch housing, left side

Power Take-off (PTO)

Mid PTO Type:2500 (Kubota 1x10)
Rear PTO Type:540/850 (1.375)
Front PTO Type:2800
Engine RPM (540):540@2800
Engine RPM (850):850@2800
Engine RPM (Mid PTO):2450@2800