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Make
GEHL
Model
SL 6640 (SL Series)
Engine
D / DT

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (D / DT)
Premium
Maxtron DEO SAE 15W-40
(a, b)
2.09 / 2.85
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Hydraulics
Ultra Premium
Indol Premium Anti-Wear Hydraulic Oil ISO 46
11.9 / 16.1
PDS
Premium
Indol Premium Anti-Wear Hydraulic Oil ISO 32 MV
PDS
Mainline
Indol EH ISO 46
PDS
Grease Points
Ultra Premium
Maxtron FS NLGI 2
Premium
Maxtron EP NLGI 2
PDS
Mainline
Blue Gard 500+ NLGI 2
Chaincases (each)
Premium
Maxtron DEO SAE 15W-40
(c)
1.98
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Engine (D / DT)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(a, b)
Capacity 2.09 / 2.85(gal)
Hydraulics
Recommendation:
Ultra Premium Indol Premium Anti-Wear Hydraulic Oil ISO 46
Premium Indol Premium Anti-Wear Hydraulic Oil ISO 32 MV
Mainline Indol EH ISO 46
Capacity 11.9 / 16.1(gal)
Grease Points
Recommendation:
Ultra Premium Maxtron FS NLGI 2
Premium Maxtron EP NLGI 2
Mainline Blue Gard 500+ NLGI 2
Chaincases (each)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(c)
Capacity 1.98(gal)

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
Alternative recommendations, <32°F: Refer to Technical; Maxtron DEO SAE 10W-30 / Superlube TMS SAE 10W-30
b.
Alternative recommendations, >32°F: Maxtron DEO SAE 15W-40 / Superlube TMS SAE 15W-40
c.
Alternative recommendations: Indol Premium Anti-Wear Hydraulic Oil ISO 46 / Indol Premium Anti-Wear Hydraulic Oil ISO 32 MV / Indol EH ISO 46

Oil Change Intervals

Engine (D / DT)
Hours Max
250
Hydraulics
Months Max
12
Hours Max
1000
Chaincases (each)
Months Max
12
Hours Max
1000