Shibaura SP2500
The Shibaura SP2500 is a tractor produced by Shibaura. It is equipped with a 81.2 ci 1.3 L engine. The listed engine power is Diesel (listed): 24.7 hp / 18.4 kW. Transmission: 12 forward and 4 reverse. Operating weight: 1894 lbs 859 kg.
Engine Power
Diesel (listed): 24.7 hp / 18.4 kW
Fuel & Capacities
7.1 gal
26.9 L
Transmission
12 forward and 4 reverse
Operating Weight
1894 lbs
859 kg
Overview
 | SP SeriesCompact Utility tractor |
|---|---|
SP Series | |
Compact Utility tractor | |
Production | |
|---|---|
Manufacturer | Shibaura |
Compact Utility tractor | |
Variants | |
|---|---|
SP2500 | 2WD |
SP2540 | 4WD |
Shibaura SP2500 Engine | |
|---|---|
Shibaura 1.3L 3-cyl diesel | |
Fuel tank | 7.1 gal
26.9 L |
Engine details ...  | |
Shibaura SP2500 Transmission | |
|---|---|
12-speed synchromesh | |
Transmission details ...  |
Shibaura SP2500 Power | |
|---|---|
Engine | 24.7 hp
18.4 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | mechanical rear |
Manual steering | |
Mechanical drum brakes | |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Rear lift | 2976 lbs
1349 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 559@2600 |
778@2600 | |
1242@2600 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 58.3 inches
148 cm |
Weight | 1894 lbs
859 kg |
Front tire | 4.00-15 |
Rear tire | 9.5-24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 70 |
References | |
|---|---|
 | |
SP Series published by Shibaura | |
SP 2500 - SP 2540 published by Shibaura-Paget |
Engine
Engine Detail — 81.2 ci / 1.3 L Diesel
Manufacturer | Shibaura J843 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 81.2 ci
1.3 L |
Bore/Stroke | 3.307x3.15 inches
84 x 80 mm |
Power | 24.7 hp
18.4 kW |
Rated RPM | 2600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 12 forward and 4 reverse synchromesh
Type | synchromesh |
Gears | 12 forward and 4 reverse |
Clutch | dry disc |
 | |
Dimensions
Shibaura SP2500 Tires | |
|---|---|
Standard tires (ag) | Front: 4.00-15. Rear: 9.5-24 |
Dimensions | |
|---|---|
Wheelbase | 58.3 inches
148 cm |
Length | 100 inches
254 cm |
Width | 46.7 inches
118 cm |
Height | 71.7 inches
182 cm |
Weight | 1894 lbs
859 kg |
Ground clearance | 12.6 inches
32 cm |
Front tread | 37 inches
93 cm |
Rear tread | 37.4 inches
94 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Shibaura SP2500 based on its 24.7 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. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 Shibaura SP2500.
Estimated Continuous Field Runtime: 5.5 hrs
Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (7.1 gal / 26.9 L).
Estimated 75% Load Fuel Burn~1.3 gal/hr (4.9 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
Shibaura SP2500 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Shibaura SP2500.
Converted Equivalents:
Horsepower (HP)24.7 hp
Kilowatts (kW)18.4 kW
Metric Horsepower (PS / CV)25 PS
Direct Competitor Comparison
Compare Shibaura SP2500 against same-era industry alternatives in the same horsepower class.
Current Model
Shibaura
Shibaura SP2500
Engine Power:Diesel (listed): 24.7 hp / 18.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Farmall
Engine Power:22.3
Production Years:1924 - 1932
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