Our Recommendation

Make
KENWORTH
Model
T660
Engine
EN590/D975 <15ppm
Year
2017-2018
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Application
Recommendation
Capacity (ltr)
Engine (EN590/D975 <15ppm) (Cummins ISM 10.8, 10.8l, 320-425hp, EGR)
  (a, b)
38.6
Engine (EN590/D975 <15ppm) (Cummins ISX15; 450-600hp [EN590/D975 <15ppm])
  (c, d)
52.9
Engine (EN590/D975 <15ppm) (Paccar MX-13, 12.9L, 6-cyl, 405-510hp [EN590/D975 <15ppm])
  (e, f, g)
40.0
Transmission (Eaton Manual, 10-18 Speed)
MAXIDIESEL SAE 50 (h, i, j)
11.0 - 13.0
Transmission (Eaton Ultrashift Plus)
 
12.0
Differential (Meritor)
VERKOL GT-8/75w90 (k)
18.0 - 25.0
Differential (Dana Spicer)
  (l)
18.5 / 17.0
Coolant (Cummins)
  (m)
50.0 - 59.5
Coolant (Paccar)
VERKOL TRUCK 50% (n, o)
49.0
Wet Clutch (Eaton UltraShift ASW)
VESTA TD 3 (p)
8.0
Diesel Exhaust Fluid (DEF) Tank
 

Lubricant / Capacity Notes

a.
>-15°C
b.
Alternative recommendations, >-15°C: EO CUM 20086 15W-40; CK-4 10W-30
c.
>-15°C
d.
Alternative recommendations, >-15°C: EO CUM 20086 15W-40; CK-4 10W-30
e.
>-20°C
f.
Alternative recommendations, -25°C to 20°C: CK-4 5W-30
g.
Alternative recommendations, >-15°C: CK-4 15W-40; CK-4 5W-40
h.
>-12°C
i.
Alternative recommendations: GO ETN PS386 40
j.
Alternative recommendations, >-12°C: VERKOL SAE 50 TO-4
k.
Alternative recommendations: VERKOL GT-8/80w90 EP; J2360 85W-140
l.
Alternative recommendations: GO DNA 429 75W-90; GO DNA 429 80W-140
m.
Mix ratio, 50% >-37°C
n.
Mix ratio, 50% >-37°C
o.
Alternative recommendations, Mix ratio 50% >-37°C: AF OAT 6210
p.
Alternative recommendations: ATF-D6

General Notes

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Oil Change Intervals

Engine (EN590/D975 <15ppm) (Cummins ISM 10.8, 10.8l, 320-425hp, EGR)
Km Min
81000
Km Max
121000
Engine (EN590/D975 <15ppm) (Cummins ISX15; 450-600hp [EN590/D975 <15ppm])
Km Min
81000
Km Max
121000
Engine (EN590/D975 <15ppm) (Paccar MX-13, 12.9L, 6-cyl, 405-510hp [EN590/D975 <15ppm])
Km Min
80000
Km Max
120000
Months Max
12
Hours Min
1500
Hours Max
2250
Transmission (Eaton Manual, 10-18 Speed)
Km Max
96500
Months Max
12
Transmission (Eaton Ultrashift Plus)
Km Max
800000
Months Max
60
Differential (Meritor)
Km Min
400000
Km Max
800000
Months Min
36
Months Max
48
Differential (Dana Spicer)
Km Max
800000
Coolant (Cummins)
Km Max
480000
Months Max
24
Hours Max
6000
Coolant (Paccar)
Km Max
1000000
Months Max
72
Wet Clutch (Eaton UltraShift ASW)
Km Max
250000
Months Max
36