Shibaura ST321 tractor specifications

ST Series

ST SeriesCompact Utility tractor

Series:

Series:ST318 ← ST321 → ST324

ST Series

Compact Utility tractor

Series:

ST318

→ ST321

Production

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

Shibaura ST318 Power

Shibaura ST318 Power
Engine:	18 hp 13.4 kW
PTO (claimed):	15 hp 11.2 kW

Shibaura ST318 Engine

Shibaura ST318 Engine
Shiabaura 1.0L 3-cyl diesel
Engine details ...

Mechanical

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

Capacity

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

Hydraulics

Hydraulics
Type:	open center
Capacity:	4.2 gal 15.9 L
Pressure:	1849 psi 127.5 bar
Pump flow:	4 gpm 15.1 lpm

Tractor hitch

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

Power Take-off (PTO)

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

Dimensions & Tires

Dimensions & Tires
Wheelbase:	55.3 inches 140 cm
Weight:	1625 to 1653 pounds
Front tire:	5-12
Rear tire:	8-16
Full dimensions and tires ...

Electrical

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

Production

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

Shibaura ST321 Power

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

Shibaura ST321 Engine

Shibaura ST321 Engine Shiabaura 1.0L 3-cyl diesel Engine details ...

ST Series

Compact Utility tractor

Series:

ST318 ←

ST321

→ ST324

Engine Detail

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

Mechanical

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

ST Series

Compact Utility tractor

Series:

ST318 ←

ST321

→ ST324

Transmissions overview

Transmissions overview
9-speed gear
hydrostatic

Transmission

Transmission
Type:	gear
Gears:	9 forward and 3 reverse
Clutch:	dry disc

Speeds

Speeds
With 9.5-16 rear tires.

Transmission

Transmission
Type:	hydrostatic
Gears:	infinite (2-range) forward and reverse

Speeds

Speeds
With 29x12.00-15 R3 rear tires.

Capacity

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

Hydraulics

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

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

Power Take-off (PTO)

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

Dimensions & Tires

Dimensions & Tires Wheelbase:55.3 inches
140 cm
Weight:1649 to 1662 pounds
Front tire:6-12
Rear tire:9.5-16
Full dimensions and tires ...

ST Series

Compact Utility tractor

Series:

ST318 ←

ST321

→ ST324

Shibaura ST321 Tires

Shibaura ST321 Tires
Ag front:	6-12
Ag rear:	9.5-16
Lawn/turf front:	20x8.00-10
Lawn/turf rear:	29x12.00-15

Dimensions

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