John Deere - Engine Kits and Parts: 6 Cylinder
Engine Kits and Parts: 6 Cylinder
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.
6 Cylinder Models (European & US engines)


Gudgeon Bushes are included in JD Engine Kits
THREE KIT LEVELS
"EK" - suits in-frame repair (EXCLUDES main bearings) Includes - Pistons/Liners, Bearings etc.
"EKM" - includes all typical items shown in the illustration above - less crankshaft
"EKMC" - as above but including a new crankshaft
EKMC kits can be held in stock as all components are standard size for instant engine assembly
NOT INCLUDED IN KIT:
(order separately)

IMPORTANT: Con Rod bolts MUST be replaced
after release of tension.
Select correct Spec bolt from CONROD Page
6 Cylinder Models

APPLICATION
ENGINE
TYPE
ENGINE
OVERHAUL
KIT
LINER
INLCUDING
SEALS
PISTON / LINER
KIT (cylinder)
Includes 'O' Rings
RING SET
(1 cyl set) suit 3 ring pistons only
GUDGEON
BUSH
3120 Up to tractor serial no. 074999
'O' Ring grooved liner
6 - 303D
6 CYL
98mm Bore
EK65
EKM65
B544
=AR51902
B5489
B5496
=AR70633
B5499
=T23471
(30mm I.D.)
3120 From tractor serial no 075000
Plain liner
EK66
EKM66
B545
=T32340
B5490
=A471591
3030, 3130, 4030 *
* With 35mm gudgeon pin
6 - 329D
6 CYL
102mm Bore
EK67
EKM67
N/A
=T32343
B5493
=AR78041
B5497
=AR55759
B5500
=R55647
(35mm I.D.)
3040, 3140, 3640, 3050, 3350
6 - 359D
6 CYL
106.5mm Bore
EK68
EKM68
B548
=R90059
R80724
B5494
=RE24458
B5498
=RE15674
3650 (4040, 4040S with 6 - 359 TURBO)
Most have U.S. engine below
6 - 359T
6 CYL
TURBO
EK69
EKM69
B5495
=RE22678
B5501
=R57451
(41mm I.D.)

U.S. ENGINES
4010 Use with all blocks EXCEPT R40930
Updates early 4 1/8" bore to 4 1/4"
6 - 404D
6 CYL
4 1/4"
108mm BORE
EK73
EKM73
B549
=R32050
B5502
=RE23173
B5505
=AR55630
B5506
=R30939
4020 Up to engine no. 200999 use with blocks marked R33180 - R34340 - R40890 - R40900 only
4010 With block no. R40930 ONLY
Updates early 4 1/8" to 4 1/4"
EK74
EKM74
B550
=R40615
B5503
=RE23170
4020 Up to engine no. 200999
with block marked R40930 only
4020 From engine no. 201000
EK75
EKM75
B5504
=RE23165
4040, 4230
(With 6 - 404D engine)
EK76
EKM76
B5507
=RE23160
B5512
=AR65502
4430, 4630 (Turbo)
6 - 404T
TURBO
EK77
EKM77
B5508
=AR63272
B5513
=AR51741
B5516
=R42173
4050, 4240
(With 6 - 466D engine)
6 - 466D
6 CYL
116mm Bore
EK78
EKM78
B551
=R87858
B5509
=AR83610
B5514
=AR87753
4250, 4450, 4650, 4850
(8450 From engine no.231857)
6 - 466A
TURBO
AFTERCOOLED
EK79
EKM79
B5510
=AR100646
B5515
=AR73627
B5517
=R74008
4440, 4640, 4840, 8430
8440 To engine no. 161132
8450 To engine no. 231856 & block marked R74352
6 - 466T
TURBO
EK80
EKM80
B5511
=AR72079
B5518
=R60724

·Pistons for JD European engines are latest High Ring type. Pistons after early 98mm bore feature:

Ni - resist reinforced ring groove


Molybdenum Keystone Compression Ring

Accumulator Groove
Spring type Chrome Oil Ring

Pistons supplied assembled and fitted to micro honed
centrifugally cast liners

466T - 466A Liners are Induction Hardened.