JD - Technical Specifications
Technical Specifications
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.
TRACTOR
MODEL
JOURNAL SIZES
TORQUE SETTINGS
VALVE
CLEARANCE
MAINS
CONROD
HEAD
MAINS
CONROD
ENGINES: 3-152D,
3-164D, 3-179D, 3-179T,
4-202D, 4-239D, 4-239T,
4-219D, 6-303D, 6-329D,
6-359D, 6-359T
Non Turbo European Engines
ie. 2510, 1020, 1520, 2020, 2520, 3120
1530, 2030, 4030
2040, 2240, 2440, 2840, 2940
2150, 2350, 2450, 2550, 2950
2955
Turbo European Engines
1950, 2750, 2555, 2755

3.123"

to

3.124"
2.748"

to

2.749"
95 ft lbs
85 ft lbs
THIS TENSION FOR USE WITH NEW BOLTS ONLY

STEP 1
20 ft lbs

STEP2
55 ft lbs.

STEP 3
1/4 torque
turn + 10°

CONFIRM
BOLT
LENGTH



ALWAYS
REPLACE CONROD BOLTS
INLET
0.014"

EXHAUST
0.018"
ENGINES: 4-270D,
6-404D, 6-404T
3010, 3020, 4010, 4020
4040, 4230, 4430, 4630

3.372"

to

3.373"
2.998"

to

2.999"
REFER TO SHOP
MANUAL
FOR CORRECT SEQUENCE & TENSION
150 ft lbs
INLET
0.018"

EXHAUST
0.018" / 0.028"

REFER TO SHOP
MANUAL
ENGINES: 6-466D,
6-466T , 6-466A

4050, 4240, 4250, 4450
4650, 4850, 8450, 4440
4640, 4840, 8430, 8440