MAXIFORCE CATALOG FOR John Deere ENGINE REPLACEMENT PARTS

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John Deere 6068 6.8T/H Piston (m) RE55512/RE505102


PowerTech
Series
Engine & Equipment Model
6068T/H
6.8T/H

CODE 4810, 4820, 4824

Bore:
4.19 in 106.5 mm

Pin Ø:
1.6250 in (+/- .0002) = 41mm

Con Rod (m): 
R114081 (Machined) (13)
R500335 (Fractured) (13)
Piston (m): 
RE55512
RE505102

Applications

ENGINE MODEL
6068HBM02
6068HBM03
6068HBM04
6068HCQ01
6068HCQ04
6068HCQ06
6068HCQ60
6068HCQ61
6068HDW50
6068HDW53
6068HDW55
6068HDW56
6068HDW59
6068HDW60
6068HF120
6068HF150
6068HF157
6068HF158
6068HF250
6068HF252
6068HF254
6068HF258
6068HF275
6068HH050
6068HH051
6068HH052
6068HL270
6068HL271
6068HL272
6068HLA70
6068HLA71
6068HLA72
6068HLA73
6068HRT72
6068HRW01
6068HRW63
6068HRW71
6068HT050
6068HT051
6068HT052
6068HT053
6068HT054
6068HT055
6068HT056
6068HT057
6068HT059
6068HYC53
6068HZ050
6068HZ060
6068SFM50
6068TBM01
6068TBM02
6068TBM03
6068TCQ01
6068TCQ02
6068TCQ03
6068TCQ11
6068TCQ12
6068TCQ13
6068TCQ14
6068TCQ18
6068TCQ50
6068TDW50
6068TDW51
6068TDW52
6068TDW54
6068TDW55
6068TDW56
6068TDW57
6068TDW58
6068TE050
6068TE051
6068TF157
6068TF158
6068TF220
6068TF250
6068TF252
6068TF258
6068TF275
6068TFM50
6068TFM75
6068TFM76
6068TJ07
6068TJ11
6068TJ12
6068TJ14
6068TJ31
6068TJ32
6068TJ61
6068TJ62
6068TL050
6068TL051
6068TL052
6068TL053
6068TL071
6068TL072
6068TL074
6068TLA50
6068TLA51
6068TLA52
6068TLA53
6068TN050
6068TN052
6068TP051
6068TP055
6068TP056
6068TP057
6068TP058
6068TRW50
6068TRW51
6068TRW52
6068TRW53
6068TRW54
6068TRW70
6068TRW73
6068TT050
6068TT051
6068TT052
6068TT053
6068TT055
6068TT057
6068TT058
6068TT061
6068TT852
6068TTJ50
6068TTJ51
6068TYC50
6068TYC51
6068TYC52
6068TJ08
6068TJ04
6068HRW59
6068HRW70
AGRICULTURAL
1165
7505
1170
7510
1175
7515
1450
7520
1470
7610
1550
7715
2254
7810
3518
7815
4700
9400
4710
9410
4990
9450
4995
6125J
6515
6130J
6605
6145J
6610
6165J
6615
6180J
6620
6910S
6715
6920S
6810
7185J
6820
7205J
6910
9470STS
7210
9540WTS
7220
SE6520
7320
SE6620
7405
SE6920
7410
W210
7420
CONSTRUCTION
740
624H
2054
624HLL
2554
640G
200CLC
640GII
200LC
640GIII
230CLC
643G
230LCR
643H
270CLC
648G
270LC
648GII
330B
648GIII
335C
653E
360D
653G
430B
670C
435C
670CH
437C
672CH
460D
690E
540G
698G
540GIII
710D
544H
710G
544HLL
710J
544J
750C
548G
843G
548GII
843H
548GIII
TC54H
TC62H
SDMO Generator
J120U
R130U
J130K
R135
J150U
R165
J165K
R170U
J175U
R200
J200K
R200U
NEUSON
MHT
18002HVT
ROTTNE
SMV
Rapid Forwarder
Engine O/H Kit
TRE66097
(Click for Kit Contents)

TRE66097 [X]

Item N° Quantity Description
TMX506 1 KIT, GROMMET (6)
TR114082 6 BUSHING, CON ROD PT 41 mm
TR114083 12 CAPSCREW, CON ROD, P.T.
TR119874 1 BUSHING, CAMSHAFT
TRE31617 12 SEAL, VALVE STEM LITER ENG
TRE44574 1 SEAL, OIL REAR
TRE501456 1 GASKET, O/H SET P.T.
TRE505515 1 SEAL, CRANKSHAFT FRONT
TRE507850 6 KIT, CYLINDER PT (RE55512)
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
TRE66097A
(Click for Kit Contents)

TRE66097A [X]

Item N° Quantity Description
TMX506 1 KIT, GROMMET (6)
TR114082 6 BUSHING, CON ROD PT 41 mm
TR119874 1 BUSHING, CAMSHAFT
TR501124 12 CAPSCREW, CON ROD, P.T.
TRE31617 12 SEAL, VALVE STEM LITER ENG
TRE44574 1 SEAL, OIL REAR
TRE501456 1 GASKET, O/H SET P.T.
TRE505515 1 SEAL, CRANKSHAFT FRONT
TRE507850 6 KIT, CYLINDER PT (RE55512)
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
(12)
Engine I/F Kit
TIK66097
(Click for Kit Contents)

TIK66097 [X]

Item N° Quantity Description
TR114083 12 CAPSCREW, CON ROD, P.T.
TR97344 1 GASKET, OIL PAN 6 CYL
TRE31617 12 SEAL, VALVE STEM LITER ENG
TRE507850 6 KIT, CYLINDER PT (RE55512)
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
TRE66085 1 GASKET, CYL HEAD SET P.T.
TIK66097A
(Click for Kit Contents)

TIK66097A [X]

Item N° Quantity Description
TR501124 12 CAPSCREW, CON ROD, P.T.
TR97344 1 GASKET, OIL PAN 6 CYL,
TRE31617 12 SEAL, VALVE STEM LITER ENG
TRE507850 6 KIT, CYLINDER PT (RE55512)
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
TRE66085 1 GASKET, CYL HEAD SET P.T.
(12)
Piston-Liner Kit
(RE505112)
Consists of:
b)
(14)
f)
Main Bearing
Std.
0.010
0.020
(8)
Use 6
Thrust Bearing
Std.
0.010
0.020
(8)
Use 1
Con Rod Bearing
Std.
0.010
0.020
(8)
Use 6
1)
Front Seal
(5)
2)
Rear Seal
3)
Ring Gear
(142T)
(129T)
4)
Crankshaft
(3)
(4)
5)
Seal
1)
O/H Gasket Set
(15)
2)
Head Gasket Set
3)
Head Gasket
4)
Oil Pan Gasket
5)
Rocker Cover Gsk
6)
Timing Cover Gsk
1)
Bush, Con Rod
2)
Bolt, Con Rod
x12
(1)
x12
(1)
3)
Bush, Camshaft
4)
Cam Follower
x12
1)
Cyl Hd Cap Screw
x26
(2)
2)
Tensioner, Belt
(7)
(7)
3)
Con Rod
4)
Oil Cooler
(5 Plates)
(7 Plates)
(9 Plates)
1)
Water Pump
(7)(16)
(7)(16)
(7)
2)
Water Pump Cov
3)
Water Pump Gsk
4)
Pump, Oil
5)
Water Pump Housing

Valve Section

(Click image to zoom the valve diagram.)

Valve, Intake
Std.
0.015
Valve, Exhaust
Std.
0.015
1)
Insert, Valve In
Std.
O/S
2)
Insert, Valve Ex
Std.
O/S
1)
Seal, Valve
2)
Lock, Valve
1)
Spring, Valve
2)
Rotator, Valve
1)
Thermostat
180° F
(7)
180º F
(7)
180° F
(7)
180° F
(7)
2)
Thermostat Cover
(7)
3)
Water Temp Sensor
(7)
4)
Water Temp Sensor
(7)
5)
Oil Pressure Sensor
(7)
6)
Crankshaft Sensor
(7)
1)
Injector, Pencil
(Non Turbo)
(Turbo)
(6)
2)
Inj Grommet Kit
3)
Seal
Glow Plug
1)
(11 V)
2)
x6
(10 V)
3)
Air Heater
(12 V)
1)
Fuel Transfer Pump
(9)
(10)
(11)
2)
Fuel Pump Electric
(7)
3)
Fuel Pump Electric
(7)
4)
Fuel Pump Kit
(7)
Turbocharger
(7)

(1) Use TR114083 Rod Bolts with Machine Split Connecting Rods, and use TR501124 Rod Bolts with Fractured Split Connecting Rods.

(2) Replace all R78558 Cap Screws with Flanged Head Cap Screw TR85363.

(3) Crankshaft (m) R116076, Straight Nose.

(4) Crankshaft (m) R503470, Tapered Nose.

(5) 1 Piece Unitized Seal and Wearsleeve; Replaces TRE59810, RE538097.

(6) Use with Stanadyne DE10 Injection Pump.

(7) Check application for proper usage.

(8) Proper bearing journal radius must be maintained during the machining of the crankshaft to ensure proper operation.

(9) Line Connections are both threaded.

(10) Line Connections are one hose barb & one threaded.

(11) Line Connections are two hose barbs.

(12) With Con Rod R500335.

(13) Machine split and fractured split connecting rods may both be used in the same engine, but the correct con rod bolts must be used for each connecting rod.

(14) Not to be used with pistons marked RE509540.

(15) Our gasket sets do not include the front and rear crankshaft seals

(16) TRE500734 supplied with a cast iron impeller; TRE500734P supplied with a resin impeller.