John Deere 6081 manuals, specs, bolt torques

John Deere 6081 Main Bearing
Step 1 = 68 Nm, 50 lb.ft
Step 2 = 230 Nm, 170 lb.ft

John Deere 6081 Connecting Rod torques
Tounge and groove type Step 1 = 27 Nm, 20 lb.ft
Step 2a = 75 Nm, 55 lb.ft
Step 2b = plus 90-100 degrees

Fractured type Step 1a = 95 Nm, 71 lb.ft
Step 1b = plus 90-100 degrees

John Deere 6081 Cylinder bolt lengths
serial number 200,000 up - Refer to diagram
Length bolts 2,3,4,5,6,7 is 121.7 mm (4.8in)
Length bolts 23,25,17,21,19 are 163.7 mm (6.4in)
Length bolts 1,15,14,13,12,11,10,8 are 175 mm (6.9in)
Length bolts 16,20,22,18,26,24,9 are 203 mm (8.0in)


Step 1 = start at bolt number 17 = 80 Nm, 60 lb.ft
Step 2 = sequentially (i.e. in bolt torque sequence)
tighten all bolts to 80 Nm, 60 lb.ft
Step 3 = plus 90 degrees
Step 4 = plus 90 degrees
Step 5 = plus 90 degrees
That's a total of 270 degrees

John Deere 6081 Cylinder head torques
Flanged-Head Cap Screws marked “SPECIAL”
serial numbers below 200,000
Step 1 = start at bolt number 17 = 80 Nm, 60 lb.ft
Step 2 = sequentially (i.e. in bolt torque sequence)
tighten all bolts to 80 Nm, 60 lb.ft
Step 3 = plus 90 degrees
Step 4 = plus 90 degrees
Step 5 = plus 90 degrees
That's a total of 270 degrees

John Deere 6081 Displacement, bore, stroke, and power

Displacement
8.1 liter
Bore
116 mm (4.58 inches)
Stroke
129 mm (5.08 inches)

John Deere 6081 Dimensions, weight, compression ratio

Dimensions
approx
Length T = 1208 mm (47.6in)
Width = 727 (28.6 in)
Height = 1020 mm (40.2in)

Weight
variants
from 735 kg to 869 kg

compression ratio
16.5:1