Iseki TU1900

The Iseki TU1900 is a tractor produced by Iseki. It is equipped with a 71.4 ci 1.2 L engine. The listed engine power is Diesel (listed): 18.7 hp / 13.9 kW. Transmission: 12 forward and 4 reverse. Operating weight: 1576 to 1609 pounds.

Engine Power
Diesel (listed): 18.7 hp / 13.9 kW
Fuel & Capacities
5.8 gal 22.0 L
Transmission
12 forward and 4 reverse
Operating Weight
1576 to 1609 pounds

Overview

Iseki TU1900 tractor photo
1981 - 1984 TU SeriesCompact Utility tractor TU Series Compact Utility tractor
Production
Manufacturer
Iseki
Compact Utility tractor
Built in Japan
Variants
TU1900F
4WD
Iseki TU1900 Engine
Isuzu 1.2L 3-cyl diesel
Fuel tank
5.8 gal 22.0 L
Engine details ...
Iseki TU1900 Transmission
12-speed gear
Transmission details ...
Iseki TU1900 Power
Engine
18.7 hp 13.9 kW
Mechanical
Two- or four-wheel drive
Open operator station.
Tractor hitch
Rear Type
JIS0
Power Take-off (PTO)
Rear PTO Type
540 (1.375)
Engine RPM
528@2300
814@2300
1288@2300
Dimensions & Tires
Wheelbase
53 inches 134 cm
Weight
1576 to 1609 pounds
Front tire
4.00-12
2WD Rear tire
8.3-24
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
TU1900 references literature
TU published in 1984, by Iseki
TU 1700 TU1800 TU1900

Engine

Engine Detail — 71.4 ci / 1.2 L Diesel

Manufacturer
Isuzu 3AD1
Fuel Type
Diesel
Configuration
3-cylinder, liquid-cooled
Displacement
71.4 ci 1.2 L
Bore/Stroke
2.992x3.386 inches 76 x 86 mm
Power
18.7 hp 13.9 kW
Rated RPM
2300
Torque
49.9 lb-ft 67.7 Nm
Torque RPM
1400
Starter
electric
Starter volts
12
Oil capacity
3.2 qts 3.0 L
Coolant capacity
7.4 qts 7.0 L

Transmission

Transmission — 12 forward and 4 reverse gear

Type
gear
Gears
12 forward and 4 reverse
Oil capacity
18 qts 17.0 L
Six gears, plus two reverse gears, in two ranges.
TU1900  gear speeds

Dimensions

Iseki TU1900 Tires
2WD Standard tires (ag)
Front: 4.00-12. Rear: 8.3-24
4WD Standard tires (ag)
Front: 6.00-12. Rear: 8.3-24
Dimensions
Wheelbase
53 inches 134 cm
Length
102.8 inches 261 cm
2WD Width
44.1 inches 112 cm
4WD Width
45.7 inches 116 cm
Height (exhaust)
76 inches 193 cm
2WD Weight
1576 lbs 714 kg
4WD Weight
1609 lbs 729 kg
2WD Ground clearance
15.4 inches 39 cm
4WD Ground clearance
11.8 inches 29 cm
2WD to inches 96 to 0 cm Front tread
37.8
4WD to inches 94 to 0 cm Front tread
37.2
Rear tread
34.7/40.9 inches 88/103 cm

Photos

Iseki TU1900F, front-right view.

Iseki TU1900F, front-right view.

Iseki TU1900F, right-rear view.

Iseki TU1900F, right-rear view.

Recommended Implements & Sizing Guide

Engineering recommendations for Iseki TU1900 based on its 18.7 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
1 to 2 Bottom (12")1 - 2 铧 (30 cm)Light DutyIdeal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing
4 ft (48 in)1.2 mLight DutyPasture clipping and light brush under 1" diameter.
Rotary TillerSeedbed Prep
42 to 48 in105 - 120 cmLight DutyCovers compact tractor tire width.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Iseki TU1900.

Estimated Continuous Field Runtime: 6 hrs

Approximately 6 hours of continuous field operation at ~75% rated power on a full tank (5.8 gal / 22 L).

Estimated 75% Load Fuel Burn~1 gal/hr (3.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Iseki TU1900 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Iseki TU1900.

Converted Equivalents:

Horsepower (HP)18.7 hp
Kilowatts (kW)13.9 kW
Metric Horsepower (PS / CV)19 PS

Direct Competitor Comparison

Compare Iseki TU1900 against same-era industry alternatives in the same horsepower class.

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Iseki TU1900

Engine Power:Diesel (listed): 18.7 hp / 13.9 kW
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