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

ENGINE MODEL
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
6068HBZ05
6068HBZ06
6068HT109
6068HN065
6068HZ484
6068HCQ05
6068HDW91
6068DW201
6068DW301
6068RW301
6068RW203
6068HT082
6068HTJ01
6068HL484
6068HDW90
6068HT121
AGRICULTURAL
1570
7430 E PREM
4730
7530 E PREM
4830
7530 PREM
7630
9540I WTS
7730
9560 STS
7830
9560I WTS
7930
9570 STS
2954D
S550
5430I
T550
7195J
W540
7210J
W550
7225J
CONSTRUCTION
764
644J
1170E
644K
1210E
648G-III
1510E
648H
210G
648HTJ
210GLC
648L
2154G
670G
240DLC
670GP
250GLC
672G
270DLC
672GP
290GLC
748H
2954D
748HTJ
524K-II
755D
544K-II
848H
624K
848HTJ
640G-III
850J
640H
850J-II
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)(11)
(High Flow)
(5)(11)
(5)
2)
Water Pump Cov
3)
Water Pump Gsk
(5)
4)
Pump, Oil
(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)
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 to ensure 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

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