Our Recommendation

Make
PETERBILT
Model
337 4x4 8.9 (PX-9)
Engine
D
Year
2015-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D) (Code: ISX 12)
 
16.7 - 45.4
Engine (D) (Code: PX-9)
VERKOPLUS 10w30 MSA (a, b, c)
16.7 - 45.4
Engine (D) (Code: PX-7)
VERKOPLUS 10w30 MSA (d, e, f)
16.7 - 45.4
Coolant (Code: PX-7)
  (g)
11.5 / 12.4 / 15.6 / 25.1
Coolant (Code: PX-9)
  (h)
11.5 / 12.4 / 15.6 / 25.1
Coolant (Code: ISX 12)
  (i)
11.5 / 12.4 / 15.6 / 25.1
Transmission (Manual)
1
VERKOL SAE 50 TO-4 (j)
12.0 - 14.0
2
VERKOL SAE 30 TO-4
3
VERKOL SAE 10w TO-4
Differential (40000 - 60000 lbs)
VERKOL GT-8/80w90 EP (k)
17.5 - 22.0
Differential (21000-23000 lbs)
VERKOL GT-8/75w90 (l, m, n, o)
18.0 - 22.4
Differential (21000 - 30000 lbs)
 
17.5 - 18.9
Differential (40000 - 46000 lbs)
VERKOL GT-8/75w90 (p, q, r, s)
14.3 - 18.5
Coolant (Code: ISL-G)
  (t)
11.5 / 12.4 / 15.6 / 25.1
Coolant (Code: ISX-12G)
  (u)
11.5 / 12.4 / 15.6 / 25.1

Lubricant / Capacity Notes

a.
-15°C to 45°C
b.
Alternative recommendations, -15°C to 45°C: CK-4 10W-30
c.
Alternative recommendations, >-10°C: CK-4 15W-40
d.
-15°C to 40°C
e.
Alternative recommendations, -15°C to 40°C: CK-4 10W-30
f.
Alternative recommendations, >-10°C: CK-4 15W-40
g.
>-37°C
h.
>-37°C
i.
>-37°C
j.
Alternative recommendations: GO ETN PS386 40
k.
Alternative recommendations: GO DNA 256 75W-90; J2360 85W-140
l.
>-40°C
m.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
n.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
o.
Alternative recommendations, >-12°C: GO MTR 076A 85W-140
p.
>-40°C
q.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
r.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
s.
Alternative recommendations, >-12°C: GO MTR 076A 85W-140
t.
>-37°C
u.
>-37°C

General Notes

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Oil Change Intervals

There is no Oil Change Interval data to display for this model