Shibaura ST321

Production
Manufacturer:	Shibaura
Type:	Compact Utility tractor
Factory:	Matsumoto, Japan

Shibaura ST321 Power
Engine:	21 hp 15.7 kW
PTO (claimed):	17 hp 12.7 kW

Mechanical
Chassis:	4x4 MFWD 4WD
Differential lock:	mechanical rear
Steering:	power
Brakes:	wet disc
Cab:	Two-post folding ROPS.
Transmissions:	9-speed gear
hydrostatic

Capacity
Fuel:	5.3 gal 20.1 L
Hydraulic system:	4.2 gal 15.9 L

Hydraulics
Type:	open center
Capacity:	4.2 gal 15.9 L
Pressure:	1849 psi 127.5 bar
Pump flow:	4.9 gpm 18.5 lpm

Tractor hitch
Rear Type:	I
Rear lift:	1474 lbs 668 kg

Power Take-off (PTO)
Gear Rear PTO:	transmission
Hydro Rear PTO:	live
Rear RPM:	540 (1.375)
Gear 561@2600 hydro} Engine RPM:	588@2600
Mid PTO:	optional
Mid RPM:	2000
Gear 2040@2600 hydro} Engine RPM:	2139@2600

Electrical
Ground:	negative
Charging system:	alternator
Charging amps:	40
Charging volts:	14
Battery volts:	12

Engine Detail
Shiabaura S773
diesel
3-cylinder
liquid-cooled
Displacement:	61.3 ci 1.0 L
Bore/Stroke:	3.03x2.83 inches 77 x 72 mm
Power:	21 hp 15.7 kW
Compression:	23:1
Rated RPM:	2600
Starter:	electric
Starter volts:	12
Oil capacity:	3.5 qts 3.3 L
Coolant capacity:	3.7 qts 3.5 L

Dimensions
Wheelbase:	55.3 inches 140 cm
Length:	107.4 inches 272 cm
Gear Width:	44.8 inches 113 cm
Hydro Width:	46.8 inches 118 cm
Gear Height (ROPS):	90 inches 228 cm
Hydro Height (ROPS):	88.2 inches 224 cm
Gear Weight:	1662 lbs 753 kg
Hydro Weight:	1649 lbs 747 kg
Gear Clearance (front axle):	10.6 inches 26 cm
Hydro Clearance (front axle):	8.8 inches 22 cm
Front tread:	33.3 inches 84 cm
Rear tread:	35.3 to 37.7 inches 89 to 95 cm