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Shibaura N3LDI-T Engine

General Technical Data

Engine Specifications

Engine Model ............... Shibaura N3LDI-T
Engine Type ............... 4-cycle inline 3-cylinder common-rail turbocharged liquid-cooled diesel
Number of Cylinders ............... 3
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 3.31 (84.0)
Engine Stroke, in (mm) ............... 3.94 (100.0)
Displacement, cu.in (L) ............... 101.4 (1.662)
Rated Engine Power, hp (kW) ............... 26.8-31.5 (20.0-23.5) at 2500 rpm
Rated Engine Speed, rpm ............... 2500
Peak Torque ............... 95.6 Nm (70.5 lb-ft) at 1800 rpm
Idle Speed ............... 850-950 rpm
Aspiration Type ............... Turbocharged
Operating Speed ............... 1500-2500 rpm
Compression Ratio ............... 22.0:1-23.0:1
Firing Order ............... 1-3-2
Combustion Chamber ............... Direct injection re-entrant bowl in piston crown
Valves per Cylinder ............... 2 valves per cylinder 1 intake 1 exhaust
Camshaft Drive ............... Helical gear train driven from crankshaft snout
Crankshaft Type ............... Forged steel induction hardened journals dynamic balanced
Connecting Rod Type ............... High strength forged steel crack-tested weight-matched
Thermostat Type ............... Wax pellet type bottom bypass configuration
Cylinder Block Type ............... Cast iron alloy Monoblock
Cylinder Head Type ............... Cast iron crossflow overhead valve
Lubrication System ............... Forced pressure circulation lubrication
Oil Pump Type ............... Trochoid gear driven from crankshaft
Oil Filter Type ............... Full-flow spin-on cartridge
Cooling System ............... Forced liquid circulation with radiator
Water Pump Type ............... Belt-driven centrifugal impeller pump
Air Cleaner Type ............... Dry heavy duty dual element
Turbocharger Type ............... Wastegate controlled radial flow compact turbocharger
Crankcase Ventilation ............... Closed circuit breather system with oil separator valve
Emission Certification ............... US EPA Tier 4 Final compliant Stage V ready
Starting System ............... Electric starter motor with glow plugs preheater
Electrical System ............... 12V negative ground system
Alternator Capacity ............... 40-60A

Fuel System

Fuel Injection Pump ............... High-pressure common rail supply pump electronically controlled
Injection Pressure, psi (bar) ............... 23200 (1600)
Fuel Injector Type ............... Multi-hole solenoid activated electronic fuel injectors
Fuel Feed Pump ............... Electric diaphragm or mechanical lift pump supply
Governor Type ............... Electronic Control Unit managed
Fuel Filter Type ............... High efficiency spin-on canister with water separator bowl
Fuel Transfer Pressure, psi (bar) ............... 43.5-58.0 (3.0-4.0)
Fuel Return Line Flow, gph (L/h) ............... 3.96-5.28 (15.0-20.0)
Injection Timing Control ............... Electronic control unit map based adaptive dynamic timing
Fuel Specific Gravity Target ............... 0.835-0.845 at 60 deg F
Recommended Fuel Grade ............... Ultra-low sulfur diesel ASTM D975 No.2-D S15
Maximum Fuel Inlet Temperature, deg F (deg C) ............... 122 (50)
Fuel Rail Pressure Sensor Voltage ............... 0.5-4.5 V proportional signal output
Fuel Pressure Regulator Type ............... Pressure control valve mounted on high-pressure rail
Maximum Fuel Lift Suction Head, ft (m) ............... 3.28 (1.0)
Fuel Return Line Maximum Backpressure, psi (bar) ............... 2.9 (0.2)
Injector Diagnostic Resistance, ohms ............... 0.2-0.5 cold circuit state
Primary Fuel Filter Rating, microns ............... 10 nominal retention efficiency
Secondary Fuel Filter Rating, microns ............... 2 absolute barrier separation
Water Separator Alarm Level, fl.oz (mL) ............... 1.69 (50) cumulative switch trigger
Fuel Rail Leakage Limit ............... Zero visible droplet formation under max pressure test

Dimensions and Weight

Overall Length, in (mm) ............... 22.4 (570)
Overall Width, in (mm) ............... 18.9 (480)
Overall Height, in (mm) ............... 26.2 (665)
Dry Weight, lbs (kg) ............... 364 (165)
Wet Weight, lbs (kg) ............... 386 (175)

Maintenance Data

Service Information

Compression Pressure, psi (bar) ............... 426 (29.4)
Minimum Compression Pressure, psi (bar) ............... 355 (24.5)
Maximum Cylinder Pressure Variance, psi (bar) ............... 29.0 (2.0)
Oil Pressure at Low Idle, psi (bar) ............... 14.5 (1.0)
Oil Pressure at Rated Speed, psi (bar) ............... 43.5-58.0 (3.0-4.0)
Maximum Allowable Oil Temp, F (C) ............... 248 (120)
Maximum Allowable Coolant Temp, F (C) ............... 221 (105)
Thermostat Opening Temp, F (C) ............... 160 (71)
Thermostat Full Open Temp, F (C) ............... 185 (85)
Intake Valve Clearance (Cold), in (mm) ............... 0.008 (0.20)
Exhaust Valve Clearance (Cold), in (mm) ............... 0.008 (0.20)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, SAE 15W-40
API Service Classifications ......................... CJ-4 or CK-4
Engine Oil Capacity with Filter, qt (L) ............... 6.34 (6.0)
Engine Oil Capacity without Filter, qt (L) ............... 5.81 (5.5)
Cooling System Total Capacity, qt (L) ............... 5.28 (5.0)

Service Intervals

Change engine oil ............... Every 250 hours
Replace oil filter ............... Every 250 hours
Replace fuel filter ............... Every 500 hours
Service air filter ............... Every 100 hours
Replace air filter ............... Every 1000 hours
Change coolant ............... Every 2000 hours
Valve-lash adjustment ............... Every 1000 hours
Check fuel system ............... Every 1000 hours
Compression test ............... Every 1000 hours
Clean radiator fin ............... Every 100 hours
Belt inspection ............... Every 100 hours

Service Specifications

Cylinder Block Bore Inside Diameter, in (mm) ............... 3.3071-3.3081 (84.000-84.025)
Cylinder Block Bore Roundnesst, in (mm) ............... 0.0004 (0.010)
Cylinder Block Top Surface Distortion, in (mm) ............... 0.0020 (0.050)
Connecting Rod Small End Bushing I.D, in (mm) ............... 1.1031-1.1039 (28.020-28.040)
Connecting Rod Small End Side Clearance, in (mm) ............... 0.0008-0.0019 (0.020-0.048)
Connecting Rod Big End Bore I.D, in (mm) ............... 2.1654-2.1661 (55.000-55.018)
Crankshaft Main Journal Diameter, in (mm) ............... 2.6764-2.6772 (67.982-68.000)
Crankshaft Main Bearing Clearance, in (mm) ............... 0.0015-0.0033 (0.039-0.084)
Crankpin Journal Diameter, in (mm) ............... 2.0465-2.0472 (51.982-52.000)
Crankpin Bearing Oil Clearance, in (mm) ............... 0.0014-0.0033 (0.035-0.085)
Crankshaft End Play, in (mm) ............... 0.0020-0.0071 (0.050-0.180)
Piston Skirt Outer Diameter, in (mm) ............... 3.3043-3.3051 (83.930-83.950)
Piston to Cylinder Wall Clearance, in (mm) ............... 0.0020-0.0037 (0.050-0.095)
Piston Pin Bore Inside Diameter, in (mm) ............... 1.1024-1.1027 (28.002-28.010)
Piston Pin Outer Diameter, in (mm) ............... 1.1021-1.1024 (27.994-28.000)
Piston Pin to Piston Pin Bore Clearance, in (mm) ............... 0.0001-0.0006 (0.002-0.016)
Piston Pin to Small End Bushing Clearance, in (mm) ............... 0.0004-0.0013 (0.010-0.034)
Top Ring Side Clearance, in (mm) ............... 0.0024-0.0039 (0.060-0.100)
Second Ring Side Clearance, in (mm) ............... 0.0020-0.0035 (0.050-0.090)
Oil Ring Side Clearance, in (mm) ............... 0.0012-0.0028 (0.030-0.070)
Top Ring End Gap, in (mm) ............... 0.0079-0.0138 (0.200-0.350)
Second Ring End Gap, in (mm) ............... 0.0079-0.0138 (0.200-0.350)
Oil Ring End Gap, in (mm) ............... 0.0079-0.0157 (0.200-0.400)
Cylinder Head Flatness Limit Surface, in (mm) ............... 0.0020 (0.050)
Intake Valve Head Diameter, in (mm) ............... 1.34 (34.0)
Exhaust Valve Head Diameter, in (mm) ............... 1.18 (30.0)
Intake Valve Stem Outer Diameter, in (mm) ............... 0.2738-0.2744 (6.955-6.970)
Exhaust Valve Stem Outer Diameter, in (mm) ............... 0.2726-0.2732 (6.925-6.940)
Valve Guide Inside Diameter, in (mm) ............... 0.2756-0.2762 (7.000-7.015)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0012-0.0024 (0.030-0.060)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0024-0.0035 (0.060-0.090)
Intake Valve Sink Depth, in (mm) ............... 0.0276-0.0374 (0.700-0.950)
Exhaust Valve Sink Depth, in (mm) ............... 0.0276-0.0374 (0.700-0.950)
Valve Seat Angle, deg ............... 45
Valve Spring Free Length, in (mm) ............... 1.6929 (43.000)
Camshaft Journal Diameter (Front), in (mm) ............... 1.8492-1.8500 (46.970-46.990)
Camshaft Journal Diameter (Center), in (mm) ............... 1.8374-1.8382 (46.670-46.690)
Camshaft Journal Diameter (Rear), in (mm) ............... 1.8256-1.8264 (46.370-46.390)
Camshaft Journal Clearance, in (mm) ............... 0.0012-0.0035 (0.030-0.090)
Cam Lobe Height (Intake), in (mm) ............... 1.4390-1.4413 (36.550-36.610)
Cam Lobe Height (Exhaust), in (mm) ............... 1.4390-1.4413 (36.550-36.610)
Camshaft End Play, in (mm) ............... 0.0020-0.0059 (0.050-0.150)
Rocker Arm Shaft Outer Diameter, in (mm) ............... 0.4717-0.4724 (11.980-12.000)
Rocker Arm Bushing Inside Diameter, in (mm) ............... 0.4732-0.4740 (12.020-12.040)
Rocker Arm Bushing to Shaft Clearance, in (mm) ............... 0.0008-0.0024 (0.020-0.060)
Tappet Outer Diameter, in (mm) ............... 0.4711-0.4719 (11.965-11.985)
Tappet Bore in Cylinder Block, in (mm) ............... 0.4724-0.4735 (12.000-12.027)
Tappet to Cylinder Block Clearance, in (mm) ............... 0.0006-0.0024 (0.015-0.062)
Idler Gear Shaft Outer Diameter, in (mm) ............... 1.3366-1.3374 (33.950-33.970)
Idler Gear Bushing Inside Diameter, in (mm) ............... 1.3386-1.3396 (34.000-34.025)
Idler Gear Bushing to Shaft Clearance, in (mm) ............... 0.0012-0.0030 (0.030-0.075)

Tightening Torques

Cylinder Head Bolts (Step 1), lb-ft (Nm) ............... 25.3 (34.3)
Cylinder Head Bolts (Step 2), lb-ft (Nm) ............... 50.6 (68.6)
Cylinder Head Bolts (Step 3), lb-ft (Nm) ............... 72.3-79.6 (98.0-108.0)
Main Bearing Cap Bolts, lb-ft (Nm) ............... 39.8-44.9 (54.0-61.0)
Connecting Rod Cap Nuts, lb-ft (Nm) ............... 36.2-41.2 (49.0-56.0)
Flywheel Bolts, lb-ft (Nm) ............... 43.4-50.6 (59.0-68.6)
Crankshaft Pulley Center Bolt, lb-ft (Nm) ............... 83.2-94.0 (113.0-127.4)
Camshaft Thrust Plate Bolts, lb-ft (Nm) ............... 7.2-10.8 (9.8-14.7)
Rocker Arm Shaft Bracket Bolts, lb-ft (Nm) ............... 20.3-25.3 (27.5-34.3)
Valve Cover Cap Nuts, lb-ft (Nm) ............... 5.8-8.7 (7.8-11.8)
Timing Gear Case Cover Bolts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Idler Gear Shaft Lock Bolt, lb-ft (Nm) ............... 20.3-25.3 (27.5-34.3)
Oil Pan Mounting Bolts, lb-ft (Nm) ............... 7.2-10.8 (9.8-14.7)
Oil Pan Drain Plug, lb-ft (Nm) ............... 25.3-32.5 (34.3-44.1)
Oil Pump Assembly Bolts, lb-ft (Nm) ............... 7.2-10.8 (9.8-14.7)
Oil Pressure Switch Sensor, lb-ft (Nm) ............... 10.8-14.5 (14.7-19.6)
Fuel Injection Pump Delivery Valve Holders, lb-ft (Nm) ............... 28.9-32.5 (39.2-44.1)
Fuel Injection Pump Mounting Nuts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Fuel Injection Pump Drive Gear Nut, lb-ft (Nm) ............... 43.4-50.6 (59.0-68.6)
Fuel Injector Assembly into Cylinder Head, lb-ft (Nm) ............... 43.4-50.6 (59.0-68.6)
Fuel Injection Pipe Union Nuts, lb-ft (Nm) ............... 18.1-21.7 (24.5-29.4)
Fuel Leak-off Pipe Retaining Nuts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Glow Plugs Retaining Torque, lb-ft (Nm) ............... 10.8-14.5 (14.7-19.6)
Water Pump Mounting Bolts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Thermostat Housing Cover Bolts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Intake Manifold Mounting Bolts, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Exhaust Manifold Mounting Bolts, lb-ft (Nm) ............... 18.1-21.7 (24.5-29.4)
Starter Motor Mounting Bolts, lb-ft (Nm) ............... 36.2-43.4 (49.0-59.0)
Alternator Mounting Pivot Bolt, lb-ft (Nm) ............... 36.2-43.4 (49.0-59.0)
Alternator Adjusting Strap Bolt, lb-ft (Nm) ............... 14.5-18.1 (19.6-24.5)
Exhaust Pipe Flange Nuts, lb-ft (Nm) ............... 21.7-28.9 (29.4-39.2)
Flywheel Housing Mounting Bolts, lb-ft (Nm) ............... 36.2-43.4 (49.0-59.0)
Oil Strainer Pickup Tube Bolt, lb-ft (Nm) ............... 7.2-10.8 (9.8-14.7)
Crankcase Breather Valve Cover Bolts, lb-ft (Nm) ............... 5.8-8.7 (7.8-11.8)
Turbocharger to Exhaust Manifold Nut, lb-ft (Nm) ............... 20.0 (27.0)
Turbocharger Exhaust Outlet Elbow, lb-ft (Nm) ............... 18.0 (25.0)

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• Shibaura N3LDI Specs
  
• Shibaura N4LDI Specs
  
• Shibaura N4LDI-T Specs
  

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