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Make
JOHN DEERE
Model
6620 (from Serial No. 382764)
Engine
D
Year
2003-

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (D)
Premium
Maxtron DEO SAE 15W-40
(a, b, c, d, e)
5.15
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Transmission
Ultra Premium
Maxtron THF +
13.7 - 15.9
PDS
Premium
Qwiklift HTB
PDS
Transmission (AutoPowr)
Ultra Premium
Maxtron THF +
15.9
PDS
Premium
Qwiklift HTB
PDS
Front Axle
Ultra Premium
Maxtron THF +
2.17
PDS
Premium
Qwiklift HTB
PDS
Coolant
Refer to Technical
(f)
6.34
Hydraulics
From Transmission
Grease Points
Ultra Premium
Maxtron FS NLGI 2
(g, h, i)
Premium
Maxtron EP NLGI 2
PDS
Mainline
ML 365 Grease EP NLGI 2
PDS
Front PTO gearbox
Ultra Premium
Maxtron THF +
0.925
PDS
Premium
Qwiklift HTB
PDS
Front Reduction Hubs (with/without brakes each)
Ultra Premium
Maxtron THF +
0.449 - 0.687
PDS
Premium
Qwiklift HTB
PDS
Hydraulic clutch actuation
Refer to Technical
Rear Hubs
From Transmission
Engine (D)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(a, b, c, d, e)
Capacity 5.15(gal)
Transmission
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 13.7 - 15.9(gal)
Transmission (AutoPowr)
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 15.9(gal)
Front Axle
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 2.17(gal)
Coolant
Recommendation:
Ultra Premium Refer to Technical
(f)
Capacity 6.34(gal)
Hydraulics
Recommendation:
From Transmission
Grease Points
Recommendation:
Ultra Premium Maxtron FS NLGI 2
Premium Maxtron EP NLGI 2
Mainline ML 365 Grease EP NLGI 2
(g, h, i)
Front PTO gearbox
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 0.925(gal)
Front Reduction Hubs (with/without brakes each)
Recommendation:
Ultra Premium Maxtron THF +
Premium Qwiklift HTB
Capacity 0.449 - 0.687(gal)
Hydraulic clutch actuation
Recommendation:
Ultra Premium Refer to Technical
Rear Hubs
Recommendation:
From Transmission

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
The use of Refer to Technical / E4+E5 oils with John Deere filter allows oil drain interval to be increased by 50%
b.
5°F to 122°F
c.
Alternative recommendations, -40°F to 104°F: Refer to Technical
d.
Alternative recommendations, -22°F to 86°F: Refer to Technical
e.
Alternative recommendations, -4°F to 104°F: Maxtron Enviro-Edge SAE 5W-40
f.
Mix ratio, 50%
g.
14°F to 122°F
h.
Alternative recommendations, -22°F to 50°F: Blue Gard 500+ NLGI 0
i.
Alternative recommendations, -4°F to 86°F: Blue Gard 500+ NLGI 1 / HD Moly Xtreme NLGI 1 / ML 365 Grease EP NLGI 1

Oil Change Intervals

Engine (D)
Hours Min
250
Hours Max
500
Transmission
Hours Max
1500
Transmission (AutoPowr)
Hours Max
1500
Front Axle
Hours Max
1500
Coolant
Months Max
24
Hours Max
2000
Front PTO gearbox
Months Max
24
Hours Max
1500
Front Reduction Hubs (with/without brakes each)
Hours Max
750
Hydraulic clutch actuation
Months Max
24