Cylinder Head & Valve Specs Guide
Cylinder Head & Valve Specs Guide
Electronic Unit Injector Preload 0.00 mm (in.) clearance plus 1/2 turn
in (180°)
1
Tighten center cap screw first, then tighten sides.
Continued on next page OUO1004,0000BC6 –19–19SEP02–1/4
PN=417
Repair and General OEM Specifications
Intake and Exhaust Valve Springs Height at 0 N (0 lb-force) Free 67.9—72.1 mm (2.67—2.84 in.)
(All)2 Length
Intake and Exhaust Valve Springs Height at 352—396 N (79—89 59.4 mm (2.34 in.)
(R116585) lb-force) (Valve Closed)
Intake and Exhaust Valve Springs Height at 845—935 N (190-210 45.5 mm (1.79 in.)
(R116585) lb-force) (Valve Open)
Intake and Exhaust Valve Springs Height at 527—593 N (118—133 59.4 mm (2.34 in.)
(R133891) lb-force) (Valve Closed)
Intake and Exhaust Valve Springs Height at 1187—1313 N (267—295 46.4 mm (1.83 in.)
(R133891) lb-force) (Valve Open)
Intake and Exhaust Valve Face3 Maximum Runout 0.038 mm (0.0015 in.)
Cylinder Head (Rocker Arm Minimum Overall Thickness 124.840 mm (4.9150 in.)
Cavity-to-Combustion Face)
2
Free length of springs may vary slightly between springs.
3
Maximum runout measured at 44 mm (1.73 in.) diameter.
PN=418
Repair and General OEM Specifications
Intake and Exhaust Valve Seat Bore ID 49.424 ± 0.013 mm (1.9458 ± 0.0005
in.)
Bore Depth 11.25 mm (0.443 in.)
Radius at Lower Bore 0.64 ± 0.25 mm (0.025 ± 0.001 in.)
06
200
Standard Intake and Exhaust Valve OD 49.487—49.513 mm (1.9483— 7
Seat 1.9493 in.)
Cylinder Head4
Step 1—No. 17 Cap Screw Initial Torque 100 N•m (74 lb-ft)
4
See INSTALL CYLINDER HEAD later in this group for proper torque
sequence.
Continued on next page OUO1004,0000BC6 –19–19SEP02–3/4
PN=419
Repair and General OEM Specifications
Step 2—All Cap Screws (Nos. 1— Initial Torque 163 N•m (120 lb-ft)
26)
Step 3—Wait 5 Minutes and Verify Torque 163 N•m (120 lb-ft)
All Cap Screws (Nos. 1—26)
Rocker Arm Shaft Hold-Down Clamp Initial Torque 30 N•m (22 lb-ft)
Cap Screws (All Engines)
5
Total torque-turn for steps 4 and 5 is 180°.
6
Apply LOCTITE 222 (TY24311) Thread Lock and Sealer (Low Strength)
to nut only.
OUO1004,0000BC6 –19–19SEP02–4/4
PN=420
Repair and General OEM Specifications
Cylinder Liners 06
200
Flange Area OD 151.565—151.615 mm (5.9671— 9
5.9691 in.)
PN=421
Repair and General OEM Specifications
Piston Skirt (6125) OD 35.0 mm (1.380 in.) from Bottom 126.910—126.930 mm (4.9965—
of Skirt 4.9972 in.)
PN=422
Repair and General OEM Specifications
Tongue-and-Groove Connecting Rod Final Torque 75 N•m (55 lb-ft) plus 90—100° turn
Cap Screw clockwise
PRECISION JOINT Connecting Torque 140 N•m (103 lb-ft) plus 90—100°
Rod Cap Screw turn clockwise
Press Fit of Bushing in Rod Pin Bore Press Fit 0.100—0.163 mm (0.0039—0.0064
in.)
PRECISION JOINT is a trademark of Deere & Company Continued on next page OUO1004,0000BCF –19–02NOV00–3/5
PN=423
Repair and General OEM Specifications
Connecting Rod Pin Bushing Press Fit in Rod Pin Bore 0.100—0.163 mm (0.0039—0.0064
in.)
Cylinder Block Top Deck Surface Surface Finish (Surface Mill Only) 3.2 micrometers (125 micro-in.)
Finish Max. Wave Height 0.008 micrometers (0.0002 micro-in.)
Max. Wave Depth 2.0 micrometers (79 micro-in.)
PN=424
Repair and General OEM Specifications
Piston (Early Engines) Protrusion Above Block Deck 0.229—0.787 mm (0.009—0.031 in.)
Piston (RE505901) (Later 12.5 L Protrusion Above Block Deck 0.079—0.637 mm (0.003—0.025 in.)
Engines)
Main Oil Gallery (Front) Expansion Installed Depth Flush—1.5 mm (0.059 in.) Below
Plug Surface
OUO1004,0000BCF –19–02NOV00–5/5
06
200
13
PN=425
Repair and General OEM Specifications
PN=426
Repair and General OEM Specifications
Crankshaft Main Bearings Available Undersize 0.25, 0.50 mm (0.010, 0.020 in.)
Thrust Bearing New Part Thrust Washer Clearance Base 162.24—163.76 mm (6.387—6.447
06
Specifications Circle in.) 200
Thrust Surface Width 42.05—42.12 mm (1.656—1.658 in.) 15
Relief Angle 45°
Bearing Cap Overall Width 43.46 mm (1.711 in.)
Thrust Surface Maximum Runout 0.025 mm (0.0010 in.)
Crankshaft Main Bearing Cap Final Torque 320 N•m (236 lb-ft)
Screws
Rear Oil Seal Housing Cap Screws Torque 25 N•m (18 lb-ft)
PN=427
Repair and General OEM Specifications
Timing Gear Cover Cap Screws Initial Torque 45 N•m (33 lb-ft)
(Early Engines Only)1
Timing Gear Cover Cap Screws Final Torque 63 N•m (46 lb-ft)
Camshaft Gear Access Cover Cap Initial Torque 50 N•m (37 lb-ft)
Screws (Early Engines Only)1
Camshaft Gear Access Cover Cap Final Torque 68 N•m (50 lb-ft)
Screws
06
200
16
1
Initial torque is required only on early timing gear covers using Fel-Pro
gaskets with sealant.
OUO1004,0000BD3 –19–23JUN06–3/3
PN=428
Repair and General OEM Specifications
Upper Idler Gear Thrust Plate Cap Initial Torque 35 N•m (26 lb-ft)
Screws
Upper Idler Gear Thrust Plate Cap Final Torque 35 N•m (26 lb-ft)
Screws
Camshaft Lobe:
PN=429
Repair and General OEM Specifications
EUI Lobe 10.5 L Engines and 12.5 Lift 14.16—14.42 mm (0.557—0.567 in.)
L Engine ( —29999)
SAE “A” Front Auxiliary Drive Idler Torque 220 N•m (162 lb-ft)
Gear Support Bushing
SAE “B” Rear Auxiliary Drive Adapter Torque 110 N•m (81 lb-ft)
SAE “B” Rear Auxiliary Drive Adapter Torque 110 N•m (81 lb-ft)
OUO1004,0000BD7 –19–02NOV00–2/2
06
200
18
PN=430