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Make
CATERPILLAR
Model
M312 (Wheeled Excavators)
Engine
DT

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (DT)
Premium
Maxtron DEO SAE 15W-40
(a)
2.38
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Rear Axle
Refer to Technical
(b, c, d, e)
2.91
Transmission
Premium
Maxtron DEO SAE 15W-40
(f, g, h, i)
0.793
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Front Axle
Refer to Technical
(j, k, l, m)
2.11
Coolant
Refer to Technical
7.13
Hydraulics (Reservoir/System)
Indol EH ISO 46
(n, o, p, q)
25.1 / 47.6
PDS
Final Drive (with drum brakes)
Refer to Technical
(r, s, t, u)
0.317
Final Drive (with wet disc brakes)
Refer to Technical
(v, w, x, y)
0.528
Greases: Molybdenum
Maxtron EP NLGI 2
PDS
Greases: Multipurpose
Ultra Premium
Maxtron FS NLGI 2
Premium
Maxtron EP NLGI 2
PDS
Mainline
Blue Gard 500+ NLGI 2
Greases: Special Purpose (high temp. antifriction bearings)
Poly-Xtreme NLGI 2
PDS
Engine (DT)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(a)
Capacity 2.38(gal)
Rear Axle
Recommendation:
Ultra Premium Refer to Technical
(b, c, d, e)
Capacity 2.91(gal)
Transmission
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(f, g, h, i)
Capacity 0.793(gal)
Front Axle
Recommendation:
Ultra Premium Refer to Technical
(j, k, l, m)
Capacity 2.11(gal)
Coolant
Recommendation:
Ultra Premium Refer to Technical
Capacity 7.13(gal)
Hydraulics (Reservoir/System)
Recommendation:
Mainline Indol EH ISO 46
(n, o, p, q)
Capacity 25.1 / 47.6(gal)
Final Drive (with drum brakes)
Recommendation:
Ultra Premium Refer to Technical
(r, s, t, u)
Capacity 0.317(gal)
Final Drive (with wet disc brakes)
Recommendation:
Ultra Premium Refer to Technical
(v, w, x, y)
Capacity 0.528(gal)
Greases: Molybdenum
Recommendation:
Premium Maxtron EP NLGI 2
Greases: Multipurpose
Recommendation:
Ultra Premium Maxtron FS NLGI 2
Premium Maxtron EP NLGI 2
Mainline Blue Gard 500+ NLGI 2
Greases: Special Purpose (high temp. antifriction bearings)
Recommendation:
Mainline Poly-Xtreme NLGI 2

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.
-4°F to 104°F
c.
Alternative recommendations, -22°F to 104°F: Refer to Technical
d.
Alternative recommendations, 14°F to 122°F: Refer to Technical
e.
Alternative recommendations, 32°F to 104°F: Refer to Technical
f.
5°F to 122°F
g.
Alternative recommendations, -4°F to 104°F: Maxtron Enviro-Edge SAE 5W-40
h.
Alternative recommendations, 5°F to 104°F: Refer to Technical
i.
Alternative recommendations, 32°F to 122°F: Superlube TMS SAE 10W-30
j.
-4°F to 104°F
k.
Alternative recommendations, -22°F to 104°F: Refer to Technical
l.
Alternative recommendations, 14°F to 122°F: Refer to Technical
m.
Alternative recommendations, 32°F to 104°F: Refer to Technical
n.
23°F to 113°F
o.
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
p.
Alternative recommendations, 5°F to 122°F: Maxtron Power Transmission Fluid MV
q.
Alternative recommendations, 32°F to 122°F: Refer to Technical
r.
-4°F to 104°F
s.
Alternative recommendations, -22°F to 104°F: Refer to Technical
t.
Alternative recommendations, 14°F to 122°F: Refer to Technical
u.
Alternative recommendations, 32°F to 104°F: Refer to Technical
v.
-4°F to 104°F
w.
Alternative recommendations, -22°F to 104°F: Refer to Technical
x.
Alternative recommendations, 14°F to 122°F: Refer to Technical
y.
Alternative recommendations, 32°F to 104°F: Refer to Technical

Oil Change Intervals

Engine (DT)
Months Max
3
Hours Max
500
Rear Axle
Months Max
6
Hours Max
1000
Transmission
Months Max
12
Hours Max
2000
Front Axle
Months Max
6
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Hydraulics (Reservoir/System)
Months Max
18
Hours Max
3000
Final Drive (with drum brakes)
Months Max
12
Hours Max
2000
Final Drive (with wet disc brakes)
Months Max
12
Hours Max
2000