Our Recommendation

Make
CATERPILLAR
Model
303C CR (Mini Hydraulic Excavators)
Engine
D
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D) (Caterpillar S3Q2)
  (a, b, c, d, e)
6.0
Transmission
From Hydraulics
Coolant
  (f)
6.0
Hydraulics
VESTA 10w HD (g, h, i, j, k)
37.0
Grease Points
 
Final Drives (each)
VERKOL GT-7/85w140 EP (l, m, n, o)
1.0
Track Roller Frame Pivot Bearings
VERKOL SAE 30 TO-4 (p, q, r, s)
Track Roller Frame Recoil Spring
VERKOL SAE 30 TO-4 (t, u, v, w)

Lubricant / Capacity Notes

a.
Caterpillar list API CH-4 and API CI-4 as preferred oils and API CG-4 as an acceptable alternative. These oils must meet Caterpillar's ECF-1 specification to avoid reduced engine life. API CF-4 should not be used in Caterpillar diesel engines
b.
-18°C to 40°C
c.
Alternative recommendations, -40°C to 40°C: EO CAT ECF-1 0W-40
d.
Alternative recommendations, -30°C to 50°C: EO CAT ECF-1 5W-40
e.
Alternative recommendations, -10°C to 50°C: EO CAT ECF-1 15W-40
f.
Mix ratio, 50% >-37°C
g.
-20°C to 40°C
h.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
i.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
j.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20
k.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
l.
-10°C to 50°C
m.
Alternative recommendations, -30°C to 45°C: GL-5 75W-140
n.
Alternative recommendations, -30°C to 40°C: VERKOL GT-8/75w90
o.
Alternative recommendations, -20°C to 40°C: VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
p.
-20°C to 25°C
q.
Alternative recommendations, -30°C to 0°C: VERKOL SAE 10w TO-4
r.
Alternative recommendations, -10°C to 40°C: TF CAT TO4 40
s.
Alternative recommendations, 0°C to 50°C: VERKOL SAE 50 TO-4
t.
-20°C to 25°C
u.
Alternative recommendations, -30°C to 0°C: VERKOL SAE 10w TO-4
v.
Alternative recommendations, -10°C to 40°C: TF CAT TO4 40
w.
Alternative recommendations, 0°C to 50°C: VERKOL SAE 50 TO-4

General Notes

There are no notes to display for this model

Oil Change Intervals

Engine (D) (Caterpillar S3Q2)
Hours Max
500
Coolant
Hours Max
6000
Hydraulics
Months Max
18
Hours Max
3000
Final Drives (each)
Hours Max
1000