MAXIFORCE CATALOG FOR John Deere ENGINE REPLACEMENT PARTS

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John Deere 6068 6.8T/H Piston (m) RE521616 Tier 2 & Tier 3


PowerTech
Series
Engine & Equipment Model
6068T/H
For Tier 2 & Tier 3 Applications

4 Valve per Cylinder

 

CODE 4834

Bore:
4.19 in 106.5 mm

Pin Ø:
1.6250 in (+/- .0002) = 41mm

Con Rod (m): 
R500335 (Fractured) (9)
Piston (m): 
RE521616

Applications

OEM
6068HBM01
6068HCQ07
6068HCQ81
6068HDW64
6068HDW66
6068HDW69
6068HDW71
6068HDW75
6068HDW77
6068HDW80
6068HDW83
6068HF485
6068HFG85
6068HFL84
6068HH058
6068HH059
6068HH060
6068HH061
6068HH062
6068HL483
6068HN053
6068HN056
6068HN057
6068HNW02
6068HRT81
6068HRT82
6068HRW64
6068HRW65
6068HRW78
6068HT061
6068HT062
6068HT070
6068HT077
6068HT083
6068HT087
6068HT090
6068HT480
6068HTJ89
6068HWZ80
6068HXU01
6068HZ480
6068HZ482
6068HZ483
6068RW208
AGRICULTURAL
1550
2954
4730
4830
5430
6830
7430
7530
7630
7730
7830
7930
9560
9560
9570
1170E
2954D
5430i
640GIII
640H
648GIII
648HTJ
7195J
7210J
7225J
7430E
748H
748HTJ
848H
848HTJ
9540IWTS
9560 STS
9570 STS
9580I WTS
S550 STS
T550
W540
W550
CONSTRUCTION
764
848
240D
240DLC
250GLC
270D
270DLC
290GLC
560D
624K
624KR
644J
644K
648TC
670G
670GP
672G
672GP
755D
848H
850J
HI POWER GENSET
HJW 205 T6
AKSA
APD-AJG200
APD-AT200
APD-EPAJ200
APD-ULJ200
CLASS TRACTOR
Axion 850
LIEBHERR
L550
1)
Engine O/H Kit
TRE527834
(Click for Kit Contents)

TRE527834 [X]

Item N° Quantity Description
TR114082 6 BUSHING, CON ROD PT 41 mm
TR119874 1 BUSHING, CAMSHAFT
TR501124 12 CAPSCREW, CON ROD, P.T.
TRE44574 1 SEAL, OIL REAR
TRE505515 1 SEAL, CRANKSHAFT FRONT
TRE524450 6 KIT, CYL P.T. (RE521616)
TRE526519 24 VALVE STEM SEAL
TRE527833 1 GASKET, O/H SET PT
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
2)
Engine I/F Kit
TIK527834
(Click for Kit Contents)

TIK527834 [X]

Item N° Quantity Description
TR123354 1 GASKET, OIL PAN P.T.
TR501124 12 CAPSCREW, CON ROD, P.T.
TRE524450 6 KIT, CYL P.T. (RE521616) 4V
TRE526519 24 VALVE STEM SEAL
TRE527832 1 GASKET, HEAD SET PT
TRE65165 6 BRG, MAIN STD
TRE65168 1 BRG, MAIN THRUST STD
TRE65908 6 BRG, CON ROD STD
Piston-Liner Kit
Consists of:
f)
Main Bearing
Std.
0.010
0.020
(2)
Use 6
Thrust Bearing
Std.
0.010
0.020
(2)
Use 1
Con Rod Bearing
Std.
0.010
0.020
(2)
Use 6
1)
Front Seal
(1)
2)
Rear Seal
3)
Ring Gear
(5)
4)
Crankshaft
(3)
(4)
1)
O/H Gasket Set
(10)
2)
Head Gasket Set
3)
Head Gasket
4)
Oil Pan Gasket
(5)
(5)
5)
Rocker Cover Gsk
1)
Bush, Con Rod
2)
Bolt, Con Rod
x12
3)
Bush, Camshaft
4)
Cam Follower
x12
1)
Cyl Hd Cap Screw
x26
2)
Tensioner, Belt
3)
Con Rod
4)
Oil Cooler
(5 Plates)
(7 Plates)
(9 Plates)
1)
Water Pump
(5)
(High Flow)
(5)
2)
Water Pump Cov
3)
Water Pump Gsk
(5)
4)
Pump, Oil
(5)
(5)
5)
Water Pump Housing

Valve Section

(Click image to zoom the valve diagram.)

Valve, Intake
Std.
(5)
Std.
(5)
Valve, Exhaust
Std.
1)
Insert, Valve In
Std.
2)
Insert, Valve Ex
Std.
1)
Seal, Valve
x24
(5)
x24
(5)
2)
Lock, Valve
x48
(5)
1)
Spring, Valve
x24
(5)
x24
(5)
1)
Thermostat
180° F
(5)
180º F
(5)
180° F
(5)
2)
Thermostat Cover
3)
Water Temp Sensor
(5)
4)
Water Temp Sensor
(5)
5)
Oil Pressure Sensor
(5)
6)
Crankshaft Sensor
(5)
7)
Fuel Pressure Sensor
(5)
8)
Temperature Sensor
(5)
1)
Fuel Transfer Pump
(5) (6)
(5) (7)
(5) (8)
(5)
2)
Injector
(5)
(5)
(5)
(5)
(5)
Glow Plug
1)
(11 V)
2)
x6
(10 V)
3)
Air Heater
(12 V)
1)
Injector Tube
2)
Injector O-Ring
Turbocharger
(5)

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

(2) Proper bearing journal radius must be maintained during the machining of the crankshaft toensure proper operation.

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

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

(5) Check application for proper usage.

(6) Line Connections are both threaded.

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

(8) Line Connections are two hose barbs.

(9) 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.

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