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
![]() | 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 | |
|---|---|
![]() | |
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. | |
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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
Recommended Implements & Sizing Guide
Engineering recommendations for Iseki TU1900 based on its 18.7 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers 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.
Current Model
Iseki
Iseki TU1900
Engine Power:Diesel (listed): 18.7 hp / 13.9 kW
★ Baseline Reference
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