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Ford WSG-1068 Engine

General Technical Data

Engine Specifications

Engine Model ............... Ford WSG-1068
Engine Type ............... 4-cycle V-10 cylinder spark-ignited industrial engine
Number of Cylinders ............... 10
Cylinder Arrangement ............... 90-degree V
Engine Bore, in (mm) ............... 3.55 (90.2)
Engine Stroke, in (mm) ............... 4.17 (105.8)
Displacement, cu.in (L) ............... 415 (6.8)
Intermittent Power at 3200 rpm, hp (kW) ............... 210 (156)
Continuous Power at 3200 rpm, hp (kW) ............... 189 (141)
Intermittent Torque at 3200 rpm, lb-ft (Nm) ............... 329 (446)
Continuous Torque at 3200 rpm, lb-ft (Nm) ............... 298 (404)
Crankshaft Speed Limit, rpm ............... 2800
Overspeed Limit, rpm ............... 2400 +/- 50
Compression Ratio ............... 9.0:1
Firing Order ............... 1-6-5-10-2-7-3-8-4-9
Cylinder Block Material ............... Cast iron
Cylinder Head Material ............... Cast aluminum alloy
Valvetrain Design ............... Single overhead camshaft per cylinder head
Number of Valves per Cylinder ............... 2 or 3 depending on production configuration
Valvetrain Adjustment ............... Hydraulic lash adjusters with roller finger cam followers
Crankshaft Design ............... Five main bearing journals with internal balance shaft
Aspiration Type ............... Naturally aspirated or optional turbocharged
Engine Management System ............... Global Control Platform electronic control module
Knock Sensor Type ............... Broadband individual cylinder calibrated sensor
Engine Support Brackets ............... Rubber isolated left-hand and right-hand assemblies
Front End Accessory Drive ............... Single serpentine belt with automatic tensioner
Emissions Certifications ............... EPA and CARB certified
Lubrication System ............... Full force pressure feed system
Oil Pump Type ............... Gerotor-type positive displacement pump
Oil Filter Type ............... Spin-on full flow cartridge
Cooling System ............... Liquid circulation with radiator
Water Pump Type ............... High-flow centrifugal water pump
Air Cleaner Type ............... Heavy dry elements dual element type
Ignition System ............... Coil on plug individual electronic ignition system
Starting System ............... Electric starting motor
Electrical System ............... 12V negative ground system

Fuel System

Primary Fuel Types ............... Natural gas, liquefied petroleum gas vapor, gasoline
Natural Gas Energy Content ............... 1050 BTU/cu.ft
LPG Quality Standard ............... HD-5 specification
Fuel Injection Design ............... Electronic sequential port fuel injection or gaseous carburetor fuel mixer
Fuel Control Strategy ............... Closed loop management with oxygen sensor feedback
Governor System ............... Electronic isochronous speed control via Woodward governor
Minimum Inlet Fuel Pressure for NG/LPG Vapor, in H2O (kPa) ............... 7.0 (1.7)
Maximum Inlet Fuel Pressure for NG/LPG Vapor, in H2O (kPa) ............... 13.6 (3.4)
Maximum Pressure for LPG Liquid Withdrawal, psi (kPa) ............... 312 (2153)
Air-to-Fuel Ratio Control Method ............... Electronic control module driven 3-way catalyst management
Gaseous Fuel Mixer Type ............... Pressure regulated venturi mixer system
Fuel Shutoff Valve Activation ............... 12V DC solenoid operated safety valve
Gasoline Fuel Rail Operating Pressure, psi (kPa) ............... 39.1-44.9 (270-310)
Gasoline Fuel Pump Configuration ............... Electric tank-mounted or chassis-mounted high pressure pump
Gasoline Fuel Filter Type ............... Inline spin-on high efficiency element
Maximum Fuel Consumption at Full Standby Load, standard cu.ft/hr (cu.m/hr) ............... 795 (22.5)
Maximum Allowable Fuel Supply Line Restriction, in H2O (kPa) ............... 0.5 (0.12)

Dimensions and Weight

Overall Length, in (mm) ............... 28.5 (725)
Overall Width, in (mm) ............... 31.7 (805)
Overall Height, in (mm) ............... 30.4 (775)
Dry Weight, lbs (kg) ............... 640 (290)
Shipping Weight, lbs (kg) ............... 710 (322)

Maintenance Data

Service Information

Normal Operating Oil Pressure, psi (kPa) ............... 40-80 (276-552)
Oil Pressure at Low Idle, psi (kPa) ............... 10 (69)
Oil Pressure at Cold Start, psi (kPa) ............... 100 (689)
Thermostat Opening Start Temperature, F (C) ............... 180 (82)
Thermostat Fully Open Temperature, F (C) ............... 202 (94)
Spark Plug Type ............... High thread replacement industrial spark plugs
Spark Plug Gap, in (mm) ............... 0.054 (1.37)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, SAE 15W-40
API Service Classifications ......................... SJ, SH, or SL
Lubricating Oil Capacity with Filter, qts (L) ............... 6.0 (5.68)
Lubricating Oil Capacity without Filter, qts (L) ............... 5.5 (5.21)
Coolant Capacity with Radiator, gal (L) ............... 8.5 (32.2)
Coolant Capacity (Engine Only), gal (L) ............... 3.5 (13.2)

Service Intervals

Change engine oil ............... Every 250 hours
Replace oil filter ............... Every 250 hours
Replace fuel filter ............... Every 500 hours
Inspect air filter ............... Every 100 hours
Replace air filter ............... Every 500 hours
Change coolant ............... Every 2000 hours
Valve-lash adjustment ............... Every 500 hours
Check fuel system ............... Every 1000 hours
Replace spark plug ............... Every 1000 hours
Compression test ............... Every1000 hours
Belt inspection ............... Every 100 hours

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ............... 3.551-3.552 (90.200-90.225)
Cylinder Bore Out-of-Round Maximum, in (mm) ............... 0.0005 (0.013)
Cylinder Bore Taper Maximum, in (mm) ............... 0.0005 (0.013)
Main Bearing Journal Diameter, in (mm) ............... 2.657-2.658 (67.483-67.508)
Main Bearing Journal Out-of-Round Maximum, in (mm) ............... 0.0003 (0.008)
Main Bearing to Journal Clearance, in (mm) ............... 0.0009-0.0019 (0.024-0.048)
Crankshaft End Play, in (mm) ............... 0.0030-0.0070 (0.075-0.179)
Connecting Rod Journal Diameter, in (mm) ............... 2.086-2.087 (52.983-53.008)
Connecting Rod Bearing Clearance, in (mm) ............... 0.0011-0.0026 (0.027-0.066)
Connecting Rod Side Clearance, in (mm) ............... 0.0047-0.0118 (0.120-0.300)
Piston Skirt Outer Diameter, in (mm) ............... 3.549-3.550 (90.145-90.170)
Piston to Cylinder Bore Clearance, in (mm) ............... 0.0011-0.0021 (0.028-0.054)
Piston Pin Bore Inside Diameter, in (mm) ............... 0.8662-0.8664 (22.002-22.007)
Piston Pin Outer Diameter, in (mm) ............... 0.8659-0.8661 (21.995-22.000)
Piston Pin to Piston Pin Bore Clearance, in (mm) ............... 0.0002-0.0005 (0.005-0.012)
Piston Pin to Con Rod Bushing Clearance, in (mm) ............... 0.0003-0.0007 (0.008-0.019)
Top Ring End Gap, in (mm) ............... 0.010-0.020 (0.250-0.500)
Second Ring End Gap, in (mm) ............... 0.016-0.026 (0.400-0.650)
Oil Ring End Gap, in (mm) ............... 0.010-0.030 (0.250-0.760)
Top Ring Side Clearance, in (mm) ............... 0.0020-0.0037 (0.050-0.095)
Second Ring Side Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Oil Ring Side Clearance, in (mm) ............... 0.0008-0.0071 (0.020-0.180)
Cylinder Head Deck Face Flatness Max Distortion, in (mm) ............... 0.0020 (0.050)
Intake Valve Stem Diameter, in (mm) ............... 0.2740-0.2747 (6.961-6.979)
Exhaust Valve Stem Diameter, in (mm) ............... 0.2734-0.2741 (6.946-6.964)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0008-0.0027 (0.020-0.069)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0014-0.0033 (0.035-0.084)
Valve Seat Angle, degrees ............... 45
Valve Face Angle, degrees ............... 44.5
Valve Spring Free Length, in (mm) ............... 1.880 (47.75)
Camshaft Journal Diameter, in (mm) ............... 1.059-1.060 (26.911-26.936)
Camshaft Journal Bearing Clearance, in (mm) ............... 0.0010-0.0030 (0.025-0.076)
Camshaft Axial End Play, in (mm) ............... 0.0010-0.0075 (0.027-0.190)
Balance Shaft Journal Diameter (Front), in (mm) ............... 1.966-1.967 (49.936-49.961)
Balance Shaft Journal Diameter (Rear), in (mm) ............... 1.376-1.377 (34.961-34.986)
Balance Shaft Journal Clearance, in (mm) ............... 0.0010-0.0031 (0.025-0.080)
Balance Shaft Axial End Play, in (mm) ............... 0.0035-0.0102 (0.090-0.260)

Tightening Torques

Cylinder Head Bolts (Step 1), lb-ft (Nm) ............... 29 (40)
Cylinder Head Bolts (Step 2), lb-ft (Nm) ............... 52 (70) + 90 deg Rotation
Main Bearing Cap Bolts, lb-ft (Nm) ............... 29 (40) + 90 deg Rotation
Connecting Rod Cap Bolts, lb-ft (Nm) ............... 29 (40) + 90 deg Rotation
Crankshaft Vibration Damper Bolt, lb-ft (Nm) ............... 66 (90) + 90 deg Rotation
Flywheel Mounting Screws, lb-ft (Nm) ............... 59 (80)
Camshaft Sprocket Gear Bolt, lb-ft (Nm) ............... 92 (125)
Camshaft Thrust Plate Screws, lb-ft (Nm) ............... 9 (12)
Cylinder Head Rocker Arm Shaft Fasteners, lb-ft (Nm) ............... 27 (37)
Engine Valve Cover Assembly Screws, lb-ft (Nm) ............... 8 (11)
Intake Manifold Fasteners (Step 1), lb-ft (Nm) ............... 7 (9)
Intake Manifold Fasteners (Step 2), lb-ft (Nm) ............... 17 (23)
Exhaust Manifold Nuts (Step 1), lb-ft (Nm) ............... 9 (12)
Exhaust Manifold Nuts (Step 2), lb-ft (Nm) ............... 18 (25)
Oil Pan Drain Plug Fitting Assembly, lb-ft (Nm) ............... 20 (27)
Engine Oil Pan Periphery Bolts, lb-ft (Nm) ............... 15 (20)
Oil Pump Screen Tube to Block Screw, lb-ft (Nm) ............... 15 (20)
Oil Pump Assembly Screws to Block, lb-ft (Nm) ............... 9 (12)
Engine Water Pump Mounting Fasteners, lb-ft (Nm) ............... 18 (25)
Thermostat Housing Flange Bolts, lb-ft (Nm) ............... 18 (25)
Spark Plugs Insertion into Cylinder Head Castings, lb-ft (Nm) ............... 13 (18)
Engine Knock Sensor Block Mounting Bolt, lb-ft (Nm) ............... 15 (20)
Crankshaft Position Sensor Face Screw, lb-ft (Nm) ............... 8 (11)
Camshaft Position Sensor Base Mounting Bolt, lb-ft (Nm) ............... 8 (11)
Engine Cylinder Head Temperature Sensor Unit, lb-ft (Nm) ............... 17 (23)
Engine Oil Pressure Sensor Gallery Switch Unit, lb-ft (Nm) ............... 12 (16)
Flywheel Housing to Cylinder Block Fasteners, lb-ft (Nm) ............... 35 (48)
Engine Starter Motor Flange Mounting Studs, lb-ft (Nm) ............... 35 (48)
Battery Charging Alternator Structural Pivot Bolt, lb-ft (Nm) ............... 35 (48)
Alternator Adjustment Tension Strut Locking Bolt, lb-ft (Nm) ............... 18 (25)
Engine Front Cover Timing Component Seal Bolts, lb-ft (Nm) ............... 15 (20)
Crankcase Ventilation Valve Body Screws, lb-ft (Nm) ............... 8 (11)
Balance Shaft Front Bearing Screws, lb-ft (Nm) ............... 9 (12)
Balance Shaft Drive Gear Center Bolt, lb-ft (Nm) ............... 44 (60)

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