AGCO ST25

The AGCO ST25 is a tractor produced by Agco. It is equipped with a 68.5 ci 1.1 L engine. The listed engine power is Diesel (net): 22.2 hp / 16.6 kW; Diesel (gross): 24.3 hp / 18.1 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 393 lbs 178 kg.

Overview

	2001 - 2004 ST SeriesCompact Utility tractorIseki built ST Series Compact Utility tractor Iseki built

Production
Distributor	AGCO
Manufacturer	Iseki
Compact Utility tractor
Built in Matsuyama, Japan

Variants
1225	similar Massey Ferguson model

AGCO ST25 Engine
Iseki 1.1L 3-cyl diesel
Engine details ...

AGCO ST25 Power
Engine (gross)	24.3 hp 18.1 kW
Engine (net)	22.2 hp 16.6 kW
Gear PTO (claimed)	19.2 hp 14.3 kW
Hydro PTO (claimed)	18.7 hp 13.9 kW

Mechanical
Four-wheel drive
Final drives	spur gear
Differential lock	mechanical rear
Power steering
Dry shoe brakes
Two-post ROPS.

Capacity
Fuel	6.1 gal 23.1 L
Hydraulic system	3.7 gal 14.0 L

Hydraulics
Type	open center
Capacity	3.7 gal 14.0 L
Pressure	1990 psi 137.2 bar
Pump flow	5.3 gpm 20.1 lpm
Total flow	7.9 gpm 29.9 lpm
Steering flow	2.64 gpm 10.0 lpm
Steering press.	1493 psi 102.9 bar

Tractor hitch
Rear Type	I
Control	position control
Rear lift (at ends)	1210 lbs 548 kg
Rear lift (at 24"/610mm)	694 lbs 314 kg
Rear Arms	fixed link ends with turn-buckle stabilizer

Power Take-off (PTO)
Rear PTO	transmission (gear)
	independent (hydro)
Clutch	electro-hydraulic wet disc (hydro)
Rear PTO Type	540 (1.375)
Engine RPM	540@2681 (hydro)
	540@2732 (gear)
Mid PTO	transmission (gear)
	independent (hydro)
Mid PTO Type	SAE 15 1.0
Engine RPM	2000@2583 (hydro)
	2000@2698 (gear)

Dimensions & Tires
Wheelbase	59.9 inches 152 cm
Weight	1588 lbs 720 kg
Front tire	5.00-12
Rear tire	9.5-16
Full dimensions and tires ...

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

References
Compact Tractors published in 2000, by AGCO
ST Series published in 2001, by AGCO
ST Series Compact Tractors published in 2002, by AGCO
ST Series published in 2004, by AGCO
ST Series Compact Tractors published in 2001, by AGCO*
*Publication contains known errors.

Engine

Engine Detail — 68.5 ci / 1.1 L Diesel

Manufacturer	Iseki E3112
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled inline
Displacement	68.5 ci 1.1 L
Bore/Stroke	3.08x3.07 inches 78 x 78 mm
Power (net)	22.2 hp 16.6 kW
Power (gross)	24.3 hp 18.1 kW
Fuel system	indirect injection
Air cleaner	dry
Pre-heating	glow plugs
Compression	22.5:1
Rated RPM	2800
Idle RPM	950-3050
Torque	49.2 lb-ft 66.7 Nm
Torque RPM	2000
Starter	electric
Starter volts	12
Oil capacity	2.9 qts 2.7 L
Coolant capacity	7.5 qts 7.1 L

Transmission

Transmission options
6-speed gear
hydrostatic

Transmission — 6 forward and 2 reverse gear

Type	gear
Gears	6 forward and 2 reverse
Clutch	184mm mechanical dry disc
Oil capacity	14.8 qts 14.0 L
Three gears (1-3), plus reverse (R), in two ranges. Tractor must be stopped, and clutch used, to shift gears or range.
With 9.5-16 rear tires.

Transmission — infinite forward and reverse (2-range) hydrostatic

Manufacturer	Kayaba
Type	hydrostatic
Gears	infinite forward and reverse (2-range)
Oil capacity	14.8 qts 14.0 L
With 9.5-16 rear tires.

Dimensions

AGCO ST25 Tires
Standard tires (ag)	Front: 5.00-12. Rear: 9.5-16
Lawn/turf front	23x8.50-12
Lawn/turf rear	315x75D15
Industrial rear	12-16.5

Dimensions
Wheelbase	59.9 inches 152 cm
Length	105.5 inches 267 cm
Width	41 inches 104 cm
Height (steering wheel)	51.2 inches 130 cm
Height (ROPS)	75.2 inches 191 cm
Shipping weight	1588 lbs (hydro) 720 kg
Max weight	2424 lbs 1099 kg
Ground clearance	11 inches 27 cm
Flange rear axle
Front tread	30.3/34.6 inches 76/87 cm
Rear tread	31.5 to 35.8 inches 80 to 90 cm

Attachments

Attachment overview
60" mid-mount mower deck
Front-end loader

60" Mower deck
Type	mid-mount AGCO SM60
	3-blade
Cutting width	60 inches 152 cm
Weight	393 lbs 178 kg
Overall width	73.5 inches 186 cm
Cut height	2 to 4 inch 5 to 10 cm

Photos

AGCO ST25 compact utility tractor.