Our Recommendation

Make
PETERBILT
Model
337 4x2 6.7 (PX-7)
Engine
D
Year
2013-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D) (Code: Westport ISX12G)
  (c)
27.6 / 45.4 (a, b)
Engine (D) (Code: Westport ISL G)
  (f)
27.6 / 45.4 (d, e)
Transmission (Manual)
1
VERKOL SAE 50 TO-4 (h)
12.0 - 14.0 (g)
2
VERKOL SAE 30 TO-4
3
VERKOL SAE 10w TO-4
Differential (40000 - 60000 lbs)
VERKOL GT-8/80w90 EP (j)
17.5 - 22.0 (i)
Differential (21000-23000 lbs)
VERKOL GT-8/75w90 (l, m, n, o)
18.0 - 22.4 (k)
Differential (21000 - 30000 lbs)
 
17.5 - 18.9 (p)
Differential (40000 - 46000 lbs)
VERKOL GT-8/75w90 (r, s, t, u)
14.3 - 18.5 (q)
Coolant (Code: ISL-G)
  (x)
12.4 / 25.1 (v, w)
Coolant (Code: ISX-12G)
  (ba)
12.4 / 25.1 (y, z)

Lubricant / Capacity Notes

a.
Engine sump, including filter, 45.4 litres
b.
Engine sump, including filter, 27.6 litres
c.
Alternative recommendations: EO CUM 20085 15W-40
d.
Engine sump, including filter, 27.6 litres
e.
Engine sump, including filter, 45.4 litres
f.
Alternative recommendations: EO CUM 20085 15W-40
g.
Gearbox refill, 12.0 - 14.0 litres
h.
Alternative recommendations: GO ETN PS386 40
i.
Differential, 17.5 - 22.0 litres
j.
Alternative recommendations: GO DNA 256 75W-90; J2360 85W-140
k.
Differential, 18.0 - 22.4 litres
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.
Differential, 17.5 - 18.9 litres
q.
Differential, 14.3 - 18.5 litres
r.
>-40°C
s.
Alternative recommendations, >-40°C: GO MTR 076M 75W-140
t.
Alternative recommendations, >-26°C: GO MTR 076D 80W-90; VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
u.
Alternative recommendations, >-12°C: GO MTR 076A 85W-140
v.
Cooling system, 12.4 litres
w.
Cooling system, 25.1 litres
x.
>-37°C
y.
Cooling system, 25.1 litres
z.
Cooling system, 12.4 litres
ba.
>-37°C

General Notes

There are no notes to display for this model

Oil Change Intervals

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