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John Deere 4045DF150B Engine

General Technical Data

Engine Specifications

Engine Model ............... John Deere 4045DF150B
Engine Type ............... 4-cycle inline 4-cylinder direct injection liquid-cooled diesel
Number of Cylinders ............... 4
Cylinder Arrangement ............... In-line vertical bank layout
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
Alternative Rated Power, hp (kW) ............... 54-59 (40-44) at 1500 rpm
Maximum Engine Speed, rpm ............... 2500
Peak Torque, lb-ft (Nm) ............... 214 (290) at 1500 rpm
Idle Speed, rpm ............... 750-850
Aspiration Type ............... Naturally Aspirated
Operating Speed, rpm ............... 1500-2500
Compression Ratio ............... 17.6:1
Firing Order ............... 1-3-4-2
Cylinder Block Type ............... Cast iron alloy heavy deep skirt structure
Cylinder Head Type ............... Cast iron monoblock crossflow design
Lubrication System ............... Full-pressure forced circulation tracking
Oil Pump Type ............... Gear-driven internal mechanism layout
Oil Filter Type ............... Full-flow spin-on cartridge medium
Cooling System ............... Liquid-cooled constant tracking layout
Water Pump Type ............... Belt-driven centrifugal impeller apparatus
Air Cleaner Type ............... Dry dual-stage heavy duty canister unit
Starting System ............... Electric Starter assembly tracking
Electrical System, V ............... 12 or 24 negative ground interface
Alternator Rating, Amps ............... 40-75 adjustable option framework

Fuel System

Fuel System ............... Direct injection mechanical spray layout
Injection Pump Type ............... Rotary distributor style mechanical pump apparatus
Fuel System Control ............... Mechanical governor linkage optimization assembly
Governor Type ............... Mechanical centrifugal flyweight layout
Fuel Injector Type ............... Multi-hole micro orifice mechanical spring nozzles
Fuel Type ............... Commercial diesel fuel grade matching ultra low sulfur requirements
Injection Timing, degrees BTDC ............... 13
Fuel Lift Pump Mechanism ............... Mechanical cam-actuated lever piston structure
Fuel Filter Rating, microns ............... 8 fine filtration efficiency media
Maximum Fuel Return Flow, gal/hr (L/hr) ............... 29 (110)

Dimensions and Weight

Overall Length, in (mm) ............... 33.9 (860)
Overall Width, in (mm) ............... 24.1 (610)
Overall Height, in (mm) ............... 34.4 (875)
Dry Weight, lbs (kg) ............... 851 (387)
Wet Weight, lbs (kg) ............... 895 (406)

Maintenance Data

Service Information

Thermostat begins opening ............... 82C (180F)
Thermostat fully open ............... 95C (203F)
Cooling system pressure ............... 70-100 kPa (10-15 psi)
Operating oil pressure ............... 300-450 kPa (44-65 psi)
Idle oil pressure ............... 100-150 kPa (15-22 psi)
Intake Valve Clearance, in (mm) ............... 0.356 (0.014)
Exhaust Valve Clearance, in (mm) ............... 0.457 (0.018)
Maximum Top Tank Coolant Temperature, F (C) ............... 221 (105)
Minimum Air-To-Boil Ambient Index, F (C) ............... 117 (47)

Engine Oil and Coolant

Engine Oil Capacity, qts (L) .................. 9.0 (8.5)
Engine Oil Refill Capacity, qts (L) .................. 8.0 (7.6)
Coolant Capacity, qts (L) ............... 9.0 (8.5)
Total Extended Coolant Capacity, qts (L) ............... 14.8 (14.0)
Engine Oil Type .................. SAE 10W-30, 15W-40
API Service Classifications ......................... CI-4, CJ-4, CK-4

Service Intervals

Change oil and filter ............... Every 250 hours
Replace fuel filters ............... Every 500 hours
Inspect air filter ............... Every 100 hours
Replace air filter ............... Every 600 hours
Change coolant ............... Every 2000 hours
Valve-lash adjustment ............... Every 2000 hours
Injector inspection ............... Every 3000 hours
Compression test ............... Every 4000 hours
Drain water separator ............... Daily check
Belt inspection ............... Every 250 hours

Service Specifications

Cylinder Bore Inside Diameter, in (mm) ............... 4.1929-4.1945 (106.500-106.540)
Crankshaft Journal Outside Diameter, in (mm) ............... 3.1230-3.1240 (79.324-79.350)
Crank Pin Outside Diameter, in (mm) ............... 3.0630-3.0640 (77.800-77.825)
Crankshaft End Play, in (mm) ............... 0.0040-0.0170 (0.102-0.432)
Intake Valve Stem Outside Diameter, in (mm) ............... 0.3120-0.3130 (7.925-7.950)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.3120-0.3130 (7.925-7.950)
Intake Valve Guide Inside Diameter, in (mm) ............... 0.3145-0.3160 (7.988-8.026)
Exhaust Valve Guide Inside Diameter, in (mm) ............... 0.3145-0.3160 (7.988-8.026)
Intake Valve Stem to Guide Clearance, in (mm) ............... 0.0015-0.0040 (0.038-0.101)
Exhaust Valve Stem to Guide Clearance, in (mm) ............... 0.0020-0.0045 (0.051-0.114)
Intake Valve Spring Free Length, in (mm) ............... 2.180 (55.37)
Exhaust Valve Spring Free Length, in (mm) ............... 2.180 (55.37)
Intake Cam Height, in (mm) ............... 1.890 (48.00)
Exhaust Cam Height, in (mm) ............... 1.890 (48.00)
Piston Pin Outside Diameter, in (mm) ............... 1.6250-1.6258 (41.275-41.295)
Piston Pin to Piston Bore Clearance, in (mm) ............... 0.0003-0.0008 (0.007-0.020)
Second Ring Side Clearance, in (mm) ............... 0.0016-0.0033 (0.040-0.085)
Oil Ring Side Clearance, in (mm) ............... 0.0012-0.0030 (0.030-0.075)
Top Ring End Gap, in (mm) ............... 0.0120-0.0240 (0.305-0.610)
Second Ring End Gap, in (mm) ............... 0.0350-0.0550 (0.889-1.397)
Oil Ring End Gap, in (mm) ............... 0.0110-0.0310 (0.279-0.787)
Cylinder Liner Overall Length, in (mm) ............... 8.580 (217.93)
Cylinder Head Planarity Distortion Limit, in (mm) ............... 0.0040 (0.101)
Connecting Rod Side Clearance, in (mm) ............... 0.0060-0.0140 (0.152-0.356)
Camshaft Journal Outside Diameter, in (mm) ............... 2.2030-2.2040 (55.956-55.982)
Main Bearing Shell Thickness, in (mm) ............... 0.0980 (2.489)

Tightening Torques

Cylinder head bolts (1-stage), lb-ft (Nm) ............... 75 (102)
Cylinder head bolts (2-stage), lb-ft (Nm) ............... 110 (149)
Cylinder head bolts (3-stage), lb-ft (Nm) ............... 110 (149)
Main bearing caps retention bolts, lb-ft (Nm) ............... 85 (115)
Connecting rod caps capscrews, lb-ft (Nm) ............... 50 (68)
Flywheel engine drive bolts, lb-ft (Nm) ............... 110 (149)
Crankshaft front pulley bolt, lb-ft (Nm) ............... 150 (203)
Oil pan fluid basin drain plug, lb-ft (Nm) ............... 35 (47)
Fuel injector hold-down clamping bolts, lb-ft (Nm) ............... 27 (37)
Rocker arm shaft supporting fasteners, lb-ft (Nm) ............... 45 (61)
Valve clearance adjusting locking nut, lb-ft (Nm) ............... 20 (27)
Timing gear cover casing bolts, lb-ft (Nm) ............... 26 (35)
Exhaust manifold high temperature flange studs, lb-ft (Nm) ............... 38 (52)
Intake manifold attachment fasteners, lb-ft (Nm) ............... 26 (35)
Water pump impeller housing attachment bolts, lb-ft (Nm) ............... 26 (35)
Fuel injection pump drive gear hub nut, lb-ft (Nm) ............... 65 (88)
Oil pump gear drive internal carrier bolts, lb-ft (Nm) ............... 35 (47)
Thermostat container housing tube studs, lb-ft (Nm) ............... 26 (35)
Alternator primary pivot adjusting frame bolts, lb-ft (Nm) ............... 35 (47)
Starter motor mounting flange adapter nuts, lb-ft (Nm) ............... 110 (149)
Fuel delivery plumbing connection flare line nuts, lb-ft (Nm) ............... 22 (30)

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• John Deere Engines Specs
  
• John Deere 4045AFM85 Specs
  
• John Deere 4045D Specs
  
• John Deere 4045DF150 Specs
  

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