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John Deere 4045DF150 Engine

General Technical Data

Engine Specifications

Engine Model ............... John Deere 4045DF150
Engine Type ............... 4-cycle inline 4-cylinder direct injection liquid-cooled diesel
Number of Cylinders ............... 4
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 4.19 (106.0)
Engine Stroke, in (mm) ............... 5.00 (127.0)
Displacement, cu.in (L) ............... 276 (4.5)
Rated Engine Power, hp (kW) ............... 80 (60) at 2500 rpm
Minimum Power, hp (kW) ............... 48 (36)
Maximum Power, hp (kW) ............... 85 (63)
Rated Engine Speed, rpm ............... 2500
Peak Torque ............... 292 Nm (215 lb-ft) at 1200 rpm
Maximum Torque, Nm (lb-ft) ............... 290 (214)
Low Idle Speed, rpm ............... 850
High Idle Speed, rpm ............... 2675-2720
Aspiration Type ............... Naturally Aspirated
Compression Ratio ............... 17.6:1
Firing Order ............... 1-3-4-2
Rotation Direction Facing Flywheel ............... Counterclockwise
Piston Type ............... Articulated structure with symmetrical bowl shape
Camshaft Type ............... Gear-driven induction hardened steel profile
Crankshaft Design ............... Forged steel counterweighted style
Cylinder Block Type ............... Heavy duty cast iron one piece design
Cylinder Head Type ............... Cast iron single piece head with two valves per cylinder
Lubrication System ............... Full-pressure constant volume system
Oil Pump Type ............... Gear-driven inner and outer rotor design
Oil Filter Type ............... Full-flow spin-on cartridge filter
Cooling System ............... Liquid-cooled centrifugal pump circuit
Water Pump Type ............... Gear or belt-driven centrifugal pump
Air Cleaner Type ............... Dry type element with restriction indicator
Starting System ............... Electric starter motor
Electrical System ............... 12V or 24V options
Alternator Output ............... 55-95A

Fuel System

Injection Pump Type ............... Mechanical rotary distributor pump
Governor Control Type ............... Mechanical centrifugal flyweight governor
Fuel Injection Timing ............... Static timed via engine timing marks
Injection Nozzle Type ............... Multi-hole orifice nozzle style
Nozzle Opening Pressure, psi (bar) ............... 3625 (250)
Fuel Transfer Pump ............... Mechanical diaphragm supply pump
Fuel Filter Type ............... Dual stage spin-on element with water separator
Primary Fuel Filter Micron Rating ............... 30 micron
Secondary Fuel Filter Micron Rating ............... 5 micron
Maximum Fuel Transfer Pump Suction Lift, ft (m) ............... 3.3 (1.0)
Maximum Fuel Return Line Restriction, in.Hg (kPa) ............... 10.0 (34.0)
Maximum Fuel Inlet Temperature, deg F (deg C) ............... 140 (60)
Recommended Fuel Grade ............... Ultra low sulfur diesel Number 2-D
Total Fuel System Flow Rate, gal/h (L/h) ............... 24.0 (91.0)

Dimensions and Weight

Overall Length, in (mm) ............... 33.9 (860)
Overall Width, in (mm) ............... 24.1 (610)
Overall Height, in (mm) ............... 33.3 (845)
Dry Weight, lbs (kg) ............... 851 (387)
Wet Weight, lbs (kg) ............... 904 (410)

Maintenance Data

Service Information

Minimum Compression Pressure, psi (bar) ............... 350 (24.1)
Oil Pressure, Low Idle, psi (bar) ............... 15.0 (1.0)
Oil Pressure, Rated Speed, psi (bar) ............... 50.0 (3.4)
Oil Relief Valve Pressure, psi (bar) ............... 65.0-75.0 (4.5-5.2)
Cooling System Cap Pressure, psi (bar) ............... 10.0-15.0 (0.7-1.0)
Normal Operating Oil Temperature Range ............... 194-230F (90-110C)
Thermostat Start-to-Open Temperature ............... 180F (82C)
Thermostat Fully Open Temperature ............... 203F (95C)

Engine Oil and Coolant

Engine Oil Type .................. SAE 10W-30, 15W-40
API Service Classifications ......................... CK-4 or higher
Engine Oil Capacity with Filter, qt (L) ............... 13.7 (13.0)
Minimum Oil Capacity without Filter, qt (L) ............... 12.7 (12.0)
Total Cooling System Capacity, qt (L) ............... 9.0 (8.5)

Service Intervals

Change engine oil ............... Every 250 hours
Replace oil filter ............... Every 250 hours
Replace fuel filter ............... Every 500 hours
Inspect air filter ............... Every 250 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
Belt inspection ............... Every 100 hours

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ............... 4.1929-4.1937 (106.500-106.520)
Cylinder Bore Maximum Wear Limit, in (mm) ............... 4.1976 (106.620)
Cylinder Bore Taper Maximum, in (mm) ............... 0.0020 (0.050)
Cylinder Bore Out-of-Round Maximum, in (mm) ............... 0.0015 (0.038)
Connecting Rod Small End Bushing I.D, in (mm) ............... 1.3760-1.3768 (34.950-34.970)
Connecting Rod Big End Bore I.D, in (mm) ............... 2.8740-2.8748 (73.000-73.020)
Connecting Rod Side Clearance, in (mm) ............... 0.0047-0.0118 (0.120-0.300)
Crankshaft Main Journal Outside Diameter, in (mm) ............... 3.1236-3.1244 (79.340-79.360)
Crankpin Journal Outside Diameter, in (mm) ............... 2.7476-2.7484 (69.790-69.810)
Main Bearing Shell Thickness, in (mm) ............... 0.0974-0.0978 (2.475-2.485)
Main Bearing to Journal Clearance, in (mm) ............... 0.0016-0.0039 (0.040-0.100)
Crankpin Bearing Shell Thickness, in (mm) ............... 0.0622-0.0626 (1.580-1.590)
Crankpin Bearing to Journal Clearance, in (mm) ............... 0.0014-0.0035 (0.035-0.090)
Crankshaft End Play, in (mm) ............... 0.0012-0.0102 (0.030-0.260)
Piston Skirt Outside Diameter, in (mm) ............... 4.1889-4.1898 (106.400-106.420)
Piston to Cylinder Bore Clearance, in (mm) ............... 0.0031-0.0047 (0.080-0.120)
Piston Pin Bore Inside Diameter, in (mm) ............... 1.3752-1.3756 (34.930-34.940)
Piston Pin Outside Diameter, in (mm) ............... 1.3748-1.3750 (34.920-34.925)
Piston Pin to Piston Pin Bore Clearance, in (mm) ............... 0.0002-0.0008 (0.005-0.020)
Piston Pin to Small End Bushing Clearance, in (mm) ............... 0.0010-0.0020 (0.025-0.050)
Top Ring Groove Width, in (mm) ............... 0.1201-0.1213 (3.050-3.080)
Second Ring Groove Width, in (mm) ............... 0.0957-0.0965 (2.430-2.450)
Oil Ring Groove Width, in (mm) ............... 0.1583-0.1591 (4.020-4.040)
Top Ring Side Clearance, in (mm) ............... 0.0028-0.0043 (0.070-0.110)
Second Ring Side Clearance, in (mm) ............... 0.0020-0.0035 (0.050-0.090)
Oil Ring Side Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Top Ring End Gap, in (mm) ............... 0.0118-0.0217 (0.300-0.550)
Second Ring End Gap, in (mm) ............... 0.0236-0.0354 (0.600-0.900)
Oil Ring End Gap, in (mm) ............... 0.0098-0.0197 (0.250-0.500)
Valve Guide Inside Diameter, in (mm) ............... 0.3157-0.3165 (8.020-8.040)
Intake Valve Stem Outside Diameter, in (mm) ............... 0.3134-0.3142 (7.960-7.980)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.3126-0.3134 (7.940-7.960)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0016-0.0031 (0.040-0.080)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0024-0.0039 (0.060-0.100)
Valve Face Angle ............... 45.0 degrees
Valve Seat Angle ............... 45.0 degrees
Intake Valve Head Depth, in (mm) ............... 0.0354-0.0472 (0.900-1.200)
Exhaust Valve Head Depth, in (mm) ............... 0.0354-0.0472 (0.900-1.200)
Valve Margin Thickness, in (mm) ............... 0.0315 (0.800)
Valve Spring Free Length, in (mm) ............... 1.949 (49.50)
Camshaft Journal Diameter (Number 1), in (mm) ............... 2.1642-2.1650 (54.970-54.990)
Camshaft Journal Diameter (Number 2), in (mm) ............... 2.1346-2.1354 (54.220-54.240)
Camshaft Journal Diameter (Number 3), in (mm) ............... 2.1051-2.1059 (53.470-53.490)
Camshaft Journal Diameter (Number 4), in (mm) ............... 2.0756-2.0764 (52.720-52.740)
Camshaft Bearing Clearance, in (mm) ............... 0.0020-0.0047 (0.050-0.120)
Camshaft End Play, in (mm) ............... 0.0024-0.0094 (0.060-0.240)
Camshaft Lobe Height (Intake), in (mm) ............... 0.2657 (6.750)
Camshaft Lobe Height (Exhaust), in (mm) ............... 0.2697 (6.850)
Rocker Arm Shaft Outside Diameter, in (mm) ............... 0.7862-0.7870 (19.970-19.990)
Rocker Arm Bushing Inside Diameter, in (mm) ............... 0.7882-0.7894 (20.020-20.050)
Rocker Arm Bushing to Shaft Clearance, in (mm) ............... 0.0012-0.0031 (0.030-0.080)
Tappet Lifter Body Outside Diameter, in (mm) ............... 1.2185-1.2193 (30.950-30.970)
Tappet Bore Inside Diameter, in (mm) ............... 1.2205-1.2217 (31.000-31.030)
Tappet to Block Bore Clearance, in (mm) ............... 0.0012-0.0031 (0.030-0.080)

Tightening Torques

Cylinder Head Cap Screw (Stage 1) ............... 75 lb-ft (102 Nm)
Cylinder Head Cap Screw (Stage 2) ............... 110 lb-ft (150 Nm)
Main Bearing Cap Screw ............... 100 lb-ft (135 Nm)
Connecting Rod Cap Screw ............... 50 lb-ft (68 Nm)
Flywheel Mounting Cap Screw ............... 85 lb-ft (115 Nm)
Flywheel Housing to Block M10 Screw ............... 37 lb-ft (50 Nm)
Flywheel Housing to Block M12 Screw ............... 63 lb-ft (85 Nm)
Crankshaft Front Pulley Hub Bolt ............... 200 lb-ft (270 Nm)
Camshaft Thrust Plate Cap Screw ............... 18 lb-ft (24 Nm)
Camshaft Timing Gear Drive Bolt ............... 63 lb-ft (85 Nm)
Timing Gear Cover Frame to Block Screw ............... 26 lb-ft (35 Nm)
Timing Idler Gear Shaft Hub Main Bolt ............... 47 lb-ft (64 Nm)
Rocker Arm Shaft Support Clamp Nut ............... 35 lb-ft (47 Nm)
Valve Lash Adjuster Jam Locknut ............... 20 lb-ft (27 Nm)
Cylinder Head Rocker Cover Top Screw ............... 96 lb-in (11 Nm)
Oil Pump Body Assembly to Block Bolt ............... 26 lb-ft (35 Nm)
Oil Pan Sump Frame Rim FHolding Screw ............... 26 lb-ft (35 Nm)
Oil Pan Bottom Drain Plug ............... 37 lb-ft (50 Nm)
Fuel Injection Pump Drive Gear Nut ............... 60 lb-ft (81 Nm)
Fuel Injection Pump Flange Mounting Nut ............... 26 lb-ft (35 Nm)
Fuel Injection Pencil Nozzle Clamping Bolt ............... 27 lb-ft (37 Nm)
High Pressure Fuel Line Union Nut ............... 20 lb-ft (27 Nm)
Fuel Transfer Pump Body Mounting Nut ............... 18 lb-ft (24 Nm)
Fuel Secondary Filter Base Cap Screw ............... 26 lb-ft (35 Nm)
Exhaust Manifold Clamping Nut (Stage 1) ............... 15 lb-ft (20 Nm)
Exhaust Manifold Clamping Nut (Stage 2) ............... 33 lb-ft (45 Nm)
Intake Manifold Air Cover Screw ............... 26 lb-ft (35 Nm)
Water Pump to Block Mount Screw ............... 26 lb-ft (35 Nm)
Thermostat Housing Top Water Pipe Screw ............... 26 lb-ft (35 Nm)
Engine Oil Cooler Core Plate Bolt ............... 26 lb-ft (35 Nm)
Alternator Structural Pivot Support Bolt ............... 37 lb-ft (50 Nm)
Alternator Tension Adjusting Lock Bolt ............... 26 lb-ft (35 Nm)
Starter Motor Frame Mounting Stud Nut ............... 63 lb-ft (85 Nm)
Oil Pressure Sensor Sending Unit ............... 11 lb-ft (15 Nm)
Coolant Temperature Sensor Unit ............... 15 lb-ft (20 Nm)
Crankcase Breathing Vent Cap Screw ............... 84 lb-in (9.5 Nm)
Fan Drive Pulley Assembly Core Screw ............... 37 lb-ft (50 Nm)
Vibration Damper to Pulley Interface Screw ............... 35 lb-ft (47 Nm)
Rear Crankshaft Oil Seal Housing Screw ............... 11 lb-ft (15 Nm)
Balancer Shaft Support Housing Bolt ............... 47 lb-ft (64 Nm)
Balancer Shaft Drive Gear Mounting Bolt ............... 63 lb-ft (85 Nm)
Piston Oil Cooling Jet Delivery Nozzle Bolt ............... 11 lb-ft (15 Nm)
Cylinder Block Oil Gallery Sealing Plug ............... 22 lb-ft (30 Nm)
Cylinder Block Water Drain Side ............... 18 lb-ft (24 Nm)

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• John Deere Engines Specs
  
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• John Deere 4045DF150B Specs
  

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