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Shibaura E673L-F Engine

General Technical Data

Engine Specifications

Engine Model ............... Shibaura E673L-F
Engine Type ............... 4-cycle vertical inline 3-cylinder liquid-cooled diesel
Number of Cylinders ............... 3
Cylinder Arrangement ............... In-line
Engine Bore, mm (in) ............... 67.0 (2.638)
Engine Stroke, mm (in) ............... 72.0 (2.835)
Displacement, L (cu.in) ............... 0.761 (46.4)
Gross Power Output, kW (hp) ............... 10.9 (14.8)
Rated Engine Speed, rpm ............... 2800
Maximum No-Load Speed, rpm ............... 2950
Minimum Idle Speed, rpm ............... 900-1000
Peak Torque, Nm (lb-ft) ............... 40.0 (29.5) at 2000 rpm
Compression Ratio ............... 23.0:1
Firing Order ............... 1-2-3
Direction of Rotation ............... Counterclockwise viewed from flywheel
Combustion System ............... Indirect injection swirl chamber
Aspiration Type ............... Naturally aspirated
Cylinder Block Material ............... High-strength cast iron
Cylinder Head Material ............... Monolithic cast iron alloy
Main Bearing Number ............... 4
Connecting Rod Bearing Number ............... 3
Camshaft Drive Method ............... Gear driven train
Lubrication Method ............... Forced pressure feed by trochoid pump
Cooling Method ............... Forced liquid circulation with centrifugal pump
Air Cleaner Config ............... Dry element dual stage
Emission Compliance ............... EPA Tier 4 Interim or Stage III Equivalent
Starting System ............... Electric starter motor actuation
Electrical System, V ............... 12
Alternator Capacity, A ............... 15 or 40

Fuel System

Fuel Injection Pump Type ............... Bosch PFR in-line mini pump unit
Fuel Injection Pump Model ............... Bosch Type PFR3M
Governor Mechanism ............... Mechanical flyweight type centrifugal assembly
Fuel Feed Pump Type ............... Mechanical diaphragm style pump
Fuel Injector Nozzle Type ............... Throttle type nozzle structure
Fuel Injection Pressure, MPa (psi) ............... 11.76-12.74 (1705-1848)
Injection Timing, degrees BTDC ............... 19.0-21.0
Fuel Filter Medium Type ............... High-density spin-on paper element
Fuel Tank Return Line Diameter, mm (in) ............... 6.0 (0.236)
Maximum Fuel Suction Head, mm (in) ............... 500.0 (19.68)
Maximum Fuel Return Restricting Pressure, kPa (psi) ............... 20.0 (2.9)
Recommended Fuel Grade ............... ASTM D975 No. 2-D ultra-low sulfur diesel
Fuel Delivery Pressure, kPa (psi) ............... 10.0-30.0 (1.45-4.35)
Fuel Overflow Valve Opening Pressure, kPa (psi) ............... 98.1-137.3 (14.2-19.9)
Plunger Diameter, mm (in) ............... 5.0 (0.196)
Plunger Stroke, mm (in) ............... 6.0 (0.236)
Nozzle Holder Assembly Model ............... Bosch KBAL type
Fuel System Bleeding Method ............... Manual gravity and air vent screw discharge

Dimensions and Weight

Overall Length, mm (in) ............... 495.0 (19.48)
Overall Width, mm (in) ............... 405.0 (15.94)
Overall Height, mm (in) ............... 525.0 (20.66)
Dry Engine Weight, kg (lb) ............... 76.0 (167.5)
Wet Engine Weight, kg (lb) ............... 81.0 (178.5)

Maintenance Data

Service Information

Compression Pressure, Standard, MPa (psi) ............... 2.94 (426)
Compression Pressure, Minimum, MPa (psi) ............... 2.45 (355)
Oil Pressure at Idle Speed, kPa (psi) ............... 98.1 (14.2) minimum
Oil Pressure at Rated Speed, kPa (psi) ............... 294.2-441.3 (42.6-64.0)
Relief Valve Opening Pressure, kPa (psi) ............... 441.3 (64.0)
Thermostat Opening Temperature, C (F) ............... 71.0 (159.8)
Thermostat Full Open Temperature, C (F) ............... 85.0 (185.0)
Radiator Cap Relief Pressure, kPa (psi) ............... 88.3 (12.8)
Intake Valve Clearance, Cold, mm (in) ............... 0.20 (0.0078)
Exhaust Valve Clearance, Cold, mm (in) ............... 0.20 (0.0078)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, SAE 15W-40
API Service Classifications ......................... CH-4 or CJ-4
Engine Oil Capacity with Filter, L (qt) ............... 2.8 (2.95)
Engine Oil Capacity without Filter, L (qt) ............... 2.5 (2.64)
Cooling System Capacity, L (qt) ............... 1.3 (1.37)

Service Intervals

Change engine oil ............... Every 200 hours
Replace oil filter ............... Every 200 hours
Replace fuel filter ............... Every 200 hours
Service air filter ............... Every 100 hours
Replace air filter ............... Every 500 hours
Change coolant ............... Every 1000 hours
Valve-lash adjustment ............... Every 600 hours
Check fuel system ............... Every 600 hours
Compression test ............... Every 1000 hours
Clean radiator fin ............... Every 100 hours
Belt inspection ............... Every 100 hours

Service Specifications

Cylinder Bore Inside Diameter, mm (in) ............... 67.000-67.019 (2.6378-2.6385)
Cylinder Bore Maximum Wear Limit, mm (in) ............... 67.200 (2.6457)
Cylinder Block Upper Deck Distortion, mm (in) ............... 0.030 (0.00118) or less
Crankshaft Main Journal Diameter, mm (in) ............... 43.964-43.975 (1.7308-1.7313)
Crankshaft Main Bearing Clearance, mm (in) ............... 0.035-0.085 (0.00137-0.00334)
Connecting Rod Bearing Clearance, mm (in) ............... 0.035-0.085 (0.00137-0.00334)
Crankshaft End Play, mm (in) ............... 0.050-0.175 (0.00196-0.00688)
Connecting Rod Small End Bushing I.D, mm (in) ............... 21.012-21.025 (0.8272-0.8277)
Connecting Rod to Piston Pin Clearance, mm (in) ............... 0.012-0.031 (0.00047-0.00122)
Piston Skirt Outer Diameter, mm (in) ............... 66.945-66.960 (2.6356-2.6362)
Piston to Cylinder Wall Clearance, mm (in) ............... 0.040-0.074 (0.00157-0.00291)
Piston Pin Bore Inner Diameter, mm (in) ............... 21.002-21.010 (0.8268-0.8271)
Piston Pin Outer Diameter, mm (in) ............... 20.994-21.000 (0.8265-0.8267)
Piston Pin to Piston Pin Bore Clearance, mm (in) ............... 0.002-0.016 (0.00008-0.00063)
Top Ring Groove Width, mm (in) ............... 1.540-1.560 (0.0606-0.0614)
Second Ring Groove Width, mm (in) ............... 1.520-1.540 (0.0598-0.0606)
Oil Ring Groove Width, mm (in) ............... 3.010-3.030 (0.1185-0.1193)
Top Ring Side Clearance, mm (in) ............... 0.050-0.090 (0.00196-0.00354)
Second Ring Side Clearance, mm (in) ............... 0.030-0.070 (0.00118-0.00275)
Oil Ring Side Clearance, mm (in) ............... 0.020-0.060 (0.00078-0.00236)
Top Ring End Gap, mm (in) ............... 0.150-0.300 (0.00590-0.01181)
Second Ring End Gap, mm (in) ............... 0.150-0.300 (0.00590-0.01181)
Oil Ring End Gap, mm (in) ............... 0.200-0.400 (0.00787-0.01574)
Cylinder Head Flatness Surface Distortion, mm (in) ............... 0.030 (0.00118) or less
Intake Valve Stem Outer Diameter, mm (in) ............... 5.960-5.975 (0.2346-0.2352)
Exhaust Valve Stem Outer Diameter, mm (in) ............... 5.940-5.955 (0.2338-0.2344)
Intake Valve Guide Inner Diameter, mm (in) ............... 6.000-6.012 (0.2362-0.2366)
Exhaust Valve Guide Inner Diameter, mm (in) ............... 6.000-6.012 (0.2362-0.2366)
Intake Valve Stem to Guide Clearance, mm (in) ............... 0.025-0.052 (0.00098-0.00204)
Exhaust Valve Stem to Guide Clearance, mm (in) ............... 0.045-0.072 (0.00177-0.00283)
Intake Valve Sinkage Depth, mm (in) ............... 0.700-0.900 (0.0275-0.0354)
Exhaust Valve Sinkage Depth, mm (in) ............... 0.700-0.900 (0.0275-0.0354)
Valve Face Angle, degrees ............... 45
Valve Seat Angle, degrees ............... 45
Valve Spring Free Length, mm (in) ............... 35.000 (1.3779)
Camshaft Journal Standard Diameter, mm (in) ............... 39.940-39.960 (1.5724-1.5732)
Camshaft Journal Oil Clearance, mm (in) ............... 0.040-0.090 (0.00157-0.00354)
Intake Cam Height, mm (in) ............... 26.565-26.620 (1.0458-1.0480)
Exhaust Cam Height, mm (in) ............... 26.565-26.620 (1.0458-1.0480)
Camshaft End Play, mm (in) ............... 0.050-0.150 (0.00196-0.00590)
Rocker Arm Shaft Outer Diameter, mm (in) ............... 11.966-11.984 (0.4711-0.4718)
Rocker Arm Bushing Inner Diameter, mm (in) ............... 12.000-12.020 (0.4724-0.4732)
Rocker Arm Bushing to Shaft Clearance, mm (in) ............... 0.016-0.054 (0.00063-0.00212)
Idle Gear Shaft Outer Diameter, mm (in) ............... 24.960-24.980 (0.9826-0.9834)
Idle Gear Bushing Inner Diameter, mm (in) ............... 25.000-25.025 (0.9842-0.9852)
Idle Gear Bushing to Shaft Clearance, mm (in) ............... 0.020-0.065 (0.00078-0.00255)

Tightening Torques

Cylinder Head Bolts (Initial Stage), Nm (lb-ft) ............... 20.0-25.0 (14.7-18.4)
Cylinder Head Bolts (Final Stage), Nm (lb-ft) ............... 34.3-39.2 (25.3-28.9)
Connecting Rod Cap Bolts, Nm (lb-ft) ............... 21.6-26.5 (15.9-19.5)
Main Bearing Cap Bolts, Nm (lb-ft) ............... 49.0-53.9 (36.1-39.7)
Flywheel Retaining Bolts, Nm (lb-ft) ............... 58.8-63.7 (43.3-46.9)
Crankshaft Pulley Center Nut, Nm (lb-ft) ............... 88.3-98.1 (65.1-72.3)
Camshaft Thrust Plate Bolts, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Rocker Arm Shaft Bracket Bolts, Nm (lb-ft) ............... 20.0-25.0 (14.7-18.4)
Cylinder Head Cover Cap Nuts, Nm (lb-ft) ............... 7.8-11.8 (5.7-8.7)
Oil Pan Drain Plug, Nm (lb-ft) ............... 34.3-44.1 (25.3-32.5)
Oil Pan Mounting Bolts, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Timing Gear Case Cover Bolts, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Idle Gear Shaft Hub Bolts, Nm (lb-ft) ............... 24.5-29.4 (18.1-21.7)
Fuel Pump Delivery Valve Holder, Nm (lb-ft) ............... 39.2-44.1 (28.9-32.5)
Fuel Pump Flange Mounting Fasteners, Nm (lb-ft) ............... 14.7-19.6 (10.8-14.4)
Fuel Pump Gear Lock Nut, Nm (lb-ft) ............... 39.2-49.0 (28.9-36.1)
Fuel Injector Retention to Head, Nm (lb-ft) ............... 58.8-68.6 (43.3-50.5)
Fuel Injector Nozzle Cap Nut, Nm (lb-ft) ............... 34.3-39.2 (25.3-28.9)
Fuel High Pressure Line Union Nuts, Nm (lb-ft) ............... 24.5-29.4 (18.1-21.7)
Fuel Return Line Overflow Joint Bolt, Nm (lb-ft) ............... 20.0-25.0 (14.7-18.4)
Glow Plug Main Hex Body Screws, Nm (lb-ft) ............... 14.7-19.6 (10.8-14.4)
Glow Plug Terminal Connection Nuts, Nm (lb-ft) ............... 1.5-2.0 (1.1-1.4)
Oil Pressure Switch Sensor Unit, Nm (lb-ft) ............... 14.7-19.6 (10.8-14.4)
Coolant Temperature Sender Sensor, Nm (lb-ft) ............... 24.5-29.4 (18.1-21.7)
Water Pump Assembly Fasteners, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Thermostat Housing Fitting Bolts, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Exhaust Manifold Securing Nuts, Nm (lb-ft) ............... 20.0-25.0 (14.7-18.4)
Intake Manifold Securing Bolts, Nm (lb-ft) ............... 14.7-19.6 (10.8-14.4)
Starter Motor Mounting Screws, Nm (lb-ft) ............... 49.0-53.9 (36.1-39.7)
Alternator Pivot Mount Bolt, Nm (lb-ft) ............... 39.2-49.0 (28.9-36.1)
Alternator Adjusting Tension Arm Bolt, Nm (lb-ft) ............... 19.6-24.5 (14.4-18.1)
Oil Pump Assembly Retention Screws, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Oil Strainer Pickup Tube Support, Nm (lb-ft) ............... 9.8-12.7 (7.2-9.3)
Flywheel Housing Back Plate Screws, Nm (lb-ft) ............... 44.1-49.0 (32.5-36.1)
Crankcase Breathing Valve Cover, Nm (lb-ft) ............... 4.9-6.8 (3.6-5.0)
Fan Blade Attachment Center Fasteners, Nm (lb-ft) ............... 7.8-11.8 (5.7-8.7)
Fuel Feed Diaphragm Pump Base Nut, Nm (lb-ft) ............... 14.7-19.6 (10.8-14.4)

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