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Make
CATERPILLAR
Model
303.5C CR (Mini Hydraulic Excavators)
Engine
D

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (D) (Caterpillar S3Q2)
Premium
Maxtron DEO SAE 10W-30
(a, b, c, d, e)
1.59
PDS
Mainline
Superlube TMS SAE 10W-30
PDS
Transmission
From Hydraulics
Coolant
Refer to Technical
(f)
1.59
Hydraulics
Indol EH ISO 46
(g, h, i, j)
9.77
PDS
Grease Points
Maxtron EP NLGI 2
PDS
Final Drives (each)
Maxtron GL 75W-140
(k, l, m, n)
0.264
PDS
Track Roller Frame Pivot Bearings
Premium
Maxtron Power Transmission Fluid MV
(o, p, q, r)
PDS
Mainline
Power Transmission Fluid SAE 30
PDS
Track Roller Frame Recoil Spring
Premium
Maxtron Power Transmission Fluid MV
(s, t, u, v)
PDS
Mainline
Power Transmission Fluid SAE 30
PDS
Engine (D) (Caterpillar S3Q2)
Recommendation:
Premium Maxtron DEO SAE 10W-30
PDS
Mainline Superlube TMS SAE 10W-30
PDS
(a, b, c, d, e)
Capacity 1.59(gal)
Transmission
Recommendation:
From Hydraulics
Coolant
Recommendation:
Ultra Premium Refer to Technical
(f)
Capacity 1.59(gal)
Hydraulics
Recommendation:
Mainline Indol EH ISO 46
PDS
(g, h, i, j)
Capacity 9.77(gal)
Grease Points
Recommendation:
Premium Maxtron EP NLGI 2
PDS
Final Drives (each)
Recommendation:
Ultra Premium Maxtron GL 75W-140
PDS
(k, l, m, n)
Capacity 0.264(gal)
Track Roller Frame Pivot Bearings
Recommendation:
Premium Maxtron Power Transmission Fluid MV
PDS
Mainline Power Transmission Fluid SAE 30
PDS
(o, p, q, r)
Track Roller Frame Recoil Spring
Recommendation:
Premium Maxtron Power Transmission Fluid MV
PDS
Mainline Power Transmission Fluid SAE 30
PDS
(s, t, u, v)

General Notes

There are no notes to display for this model

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.
0°F to 104°F
c.
Alternative recommendations, -40°F to 104°F: Refer to Technical
d.
Alternative recommendations, -22°F to 122°F: Maxtron Enviro-Edge SAE 5W-40
e.
Alternative recommendations, 14°F to 122°F: Maxtron DEO SAE 15W-40 / Superlube TMS SAE 15W-40
f.
Mix ratio, 50% >-37°C
g.
23°F to 113°F
h.
Alternative recommendations, -4°F to 104°F: Refer to Technical; Power Transmission Fluid SAE 10W; Maxtron DEO SAE 10W-30 / Superlube TMS SAE 10W-30
i.
Alternative recommendations, 5°F to 122°F: Maxtron Power Transmission Fluid MV
j.
Alternative recommendations, 32°F to 122°F: Refer to Technical
k.
-22°F to 113°F
l.
Alternative recommendations, -22°F to 104°F: Maxtron Enviro-EDGE GL 75W-90
m.
Alternative recommendations, -4°F to 104°F: Maxtron Enviro-EDGE GL 75W-90 / MP Gear Lube SAE 80W-90
n.
Alternative recommendations, 14°F to 122°F: Maxtron GL 75W-140 / MP Gear Lube SAE 85W-140
o.
-4°F to 77°F
p.
Alternative recommendations, -22°F to 32°F: Power Transmission Fluid SAE 10W
q.
Alternative recommendations, 14°F to 104°F: Refer to Technical
r.
Alternative recommendations, 32°F to 122°F: Power Transmission Fluid SAE 50
s.
-4°F to 77°F
t.
Alternative recommendations, -22°F to 32°F: Power Transmission Fluid SAE 10W
u.
Alternative recommendations, 14°F to 104°F: Refer to Technical
v.
Alternative recommendations, 32°F to 122°F: Power Transmission Fluid SAE 50

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