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Make
JOHN DEERE
Model
644J High Lift (4WD Loaders)
Engine
DT

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (DT)
Premium
Maxtron DEO SAE 15W-40
(a)
6.6
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Transmission
Ultra Premium
Maxtron THF +
6.87
PDS
Premium
Qwiklift HTB
PDS
Front Differential
Ultra Premium
Maxtron THF +
7.53
PDS
Premium
Qwiklift HTB
PDS
Rear Differential
Ultra Premium
Maxtron THF +
7.53
PDS
Premium
Qwiklift HTB
PDS
Coolant
Refer to Technical
8.06
Hydraulics
Ultra Premium
Maxtron THF +
31.0
PDS
Premium
Qwiklift HTB
PDS
Grease Points
Maxtron EP NLGI 2
PDS
Park Brake
Ultra Premium
Maxtron THF +
0.159
PDS
Premium
Qwiklift HTB
PDS
Engine (DT)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(a)
Capacity 6.6(gal)
Transmission
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 6.87(gal)
Front Differential
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 7.53(gal)
Rear Differential
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 7.53(gal)
Coolant
Recommendation:
Ultra Premium Refer to Technical
Capacity 8.06(gal)
Hydraulics
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 31.0(gal)
Grease Points
Recommendation:
Premium Maxtron EP NLGI 2
Park Brake
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 0.159(gal)

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
Alternative recommendations: Maxtron DEO SAE 15W-40 / Superlube TMS SAE 15W-40

Oil Change Intervals

Engine (DT)
Hours Max
250
Transmission
Hours Max
2000
Front Differential
Hours Max
2000
Rear Differential
Hours Max
2000
Coolant
Months Max
24
Hours Max
2000
Hydraulics
Hours Max
2000