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Shibaura LE892 Engine

The Shibaura LE892 is a compact, Japanese-manufactured straight-2, naturally aspirated, water-cooled diesel engine. Known for its reliability and precision engineering, this power plant utilizes an indirect injection combustion system to optimize fuel efficiency. It is widely deployed in compact agricultural, construction, and municipal utility machinery, most notably serving as the primary powertrain for the Ford 1000, Ford 1600, and Ford 1700 compact tractors. Cylinder Bore: 90.0 mm. Piston Stroke: 100.0 mm. Valvetrain System: Overhead valve (OHV) arrangement driven by a gear-timed camshaft.

Fuel System: Indirect injection (IDI) via a pre-combustion chamber design. Fuel Delivery: Mechanical fuel injection pump driven via a specialized injection pump gear, feeding high-pressure fuel injectors to atomize fuel into the pre-chambers. Cold Start Assist: Integrated 12V electrical glow plugs installed in the cylinder head to assist ignition during low-temperature operation.

Lubrication System: Forced pressure lubrication driven by an internal oil pump gear assembly. Recommended Oil Viscosity: SAE 10W-30 or SAE 10W-40 multi-grade diesel engine oil matching API service classifications. Monitoring: Equipped with an integrated low oil pressure switch for system protection. Cooling System Type: Liquid-cooled, forced-circulation thermal management loop. Key Components: Belt-driven centrifugal water pump, radiator for heat dissipation, and a pellet-type thermostat to regulate optimal operating temperatures.

General Technical Data

Engine Specifications

Engine Model ............... Shibaura LE892
Engine Type ............... 4-cycle inline 2-cylinder indirect injection liquid-cooled diesel
Number of Cylinders ............... 2
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 3.54 (90.0)
Engine Stroke, in (mm) ............... 3.94 (100.0)
Displacement, cu.in (L) ............... 77.7 (1.272)
Rated Engine Power, hp (kW) ............... 25.0 (18.6)
Rated Engine Speed, rpm ............... 2500
Peak Torque ............... 75.0 Nm (55.3 lb-ft) at 2000 rpm
Idle Speed ............... 750-850 rpm
Aspiration Type ............... Naturally Aspirated
Operating Speed ............... 1250-2500 rpm
Compression Ratio ............... 21.0:1
Firing Order ............... 1-2
Cylinder Block Type ............... Cast iron
Cylinder Head Type ............... Cast iron
Lubrication System ............... Full-pressure
Oil Pump Type ............... Gear-driven
Oil Filter Type ............... Full-flow, spin-on
Cooling System ............... Liquid-cooled
Water Pump Type ............... Belt-driven, centrifugal
Air Cleaner Type ............... Oil bath
Starting System ............... Electric Starter
Electrical System ............... 12V
Alternator Rating, Amps ............... 35-55

Fuel System

Fuel System ............... Indirect injection
Injection Pump Brand ............... Diesel Kiki high pressure unit
Injection Pump Type ............... In-line mini pump
Fuel System Control ............... Mechanical
Governor Type ............... Mechanical centrifugal
Fuel Injector Nozzle Type ............... Throttle type with multi-hole internal orifices
Injector Opening Pressure, psi (kPa) ............... 1705 (11760)
Injection Timing, degrees BTDC ............... 20-22 BTDC
Fuel Filter Type ............... Spin-on cartridge with water separator
Fuel Feed Pump Type ............... Mechanical diaphragm transfer

Dimensions and Weight

Overall Length, in (mm) ............... 23.6-26.4 (600-670)
Overall Width, in (mm) ............... 19.7-22.4 (500-570)
Overall Height, in (mm) ............... 27.6-30.3 (700-770)
Dry Weight, lbs (kg) ............... 310-355 (140-161)

Maintenance Data

Service Information

Cooling system pressure ............... 70-90 kPa (10-13 psi)
Operating oil pressure ............... 294-441 kPa (43-64 psi)
Idle oil pressure ............... 98-147 kPa (14-21 psi)
Thermostat begins opening ............... 82C (180F)
Thermostat fully open ............... 95C (203F)
Intake Valve Clearance, in (mm) ............... 0.012 (0.30)
Exhaust Valve Clearance, in (mm) ............... 0.012 (0.30)

Engine Oil and Coolant

Engine Oil Type .................. SAE 30, SAE 10W-30, or 15W-40
API Service Classifications ......................... CD, CE, CF-4
Engine Oil Capacity, qts (L) .................. 5.3 (5.0)
Coolant Capacity, qts (L) ............... 5.4 (5.1)

Service Intervals

Change oil and filter ............... Every 100 hours
Inspect air cleaner ............... Every 50 hours
Replace air cleaner ............... Every 500 hours
Replace fuel filter ............... Every 200 hours
Valve clearance adjustment ............... Every 500 hours
Fuel system inspection ............... Every 1000 hours
Change coolant ............... Every 1000 hours
Compression test ............... Every 1000 hours
Clean radiator core ............... Every 250 hours
Inspect belt tension ............... Every 100 hours

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ............... 3.5433-3.5449 (90.000-90.040)
Crankshaft Journal Outside Diameter, in (mm) ............... 2.6756-2.6772 (67.960-68.000)
Crank Pin Outside Diameter, in (mm) ............... 2.0457-2.0472 (51.960-52.000)
Crankshaft End Play, in (mm) ............... 0.0039-0.0118 (0.100-0.300)
Piston Pin Outside Diameter, in (mm) ............... 1.1020-1.1026 (27.990-28.005)
Piston Pin to Piston Bore Clearance, in (mm) ............... 0.0001-0.0005 (0.003-0.013)
Second Ring Side Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Oil Ring Side Clearance, in (mm) ............... 0.0012-0.0028 (0.030-0.070)
Top Ring End Gap, in (mm) ............... 0.0098-0.0177 (0.250-0.450)
Second Ring End Gap, in (mm) ............... 0.0079-0.0157 (0.200-0.400)
Oil Ring End Gap, in (mm) ............... 0.0098-0.0197 (0.250-0.500)
Intake Valve Stem Outside Diameter, in (mm) ............... 0.3130-0.3138 (7.950-7.970)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.3122-0.3130 (7.930-7.950)
Intake Valve Guide Inside Diameter, in (mm) ............... 0.3150-0.3161 (8.000-8.030)
Exhaust Valve Guide Inside Diameter, in (mm) ............... 0.3150-0.3161 (8.000-8.030)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0012-0.0031 (0.030-0.080)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0020-0.0039 (0.050-0.100)
Intake Valve Spring Free Length, in (mm) ............... 1.6929 (43.00)
Exhaust Valve Spring Free Length, in (mm) ............... 1.6929 (43.00)
Intake Cam Height, in (mm) ............... 1.3425 (34.10)
Exhaust Cam Height, in (mm) ............... 1.3425 (34.10)

Tightening Torques

Cylinder head bolts ............... 110-120 Nm (81-88 lb-ft)
Main bearing caps ............... 90-100 Nm (66-73 lb-ft)
Connecting rod bolts ............... 50-55 Nm (37-40 lb-ft)
Flywheel bolts ............... 120-130 Nm (88-96 lb-ft)
Crankshaft pulley bolt ............... 150-170 Nm (111-125 lb-ft)
Glow plugs ............... 15-20 Nm (11-15 lb-ft)
Oil drain plug ............... 35-45 Nm (26-33 lb-ft)
Injector hold-down bolts ............... 20-25 Nm (15-18 lb-ft)

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