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Make
CATERPILLAR
Model
621B
Engine
DT

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (DT)
Premium
Maxtron DEO SAE 15W-40
(a, b, c, d, e)
8.98
PDS
Mainline
Superlube TMS SAE 15W-40
PDS
Transmission
Premium
Maxtron Power Transmission Fluid MV
(f)
21.9 - 26.9
PDS
Mainline
Power Transmission Fluid SAE 30
PDS
Coolant
Refer to Technical
20.1
Steering Gearbox
Ultra Premium
Superlube 518 Diesel Engine Oil SAE 30
0.872
PDS
Mainline
Superlube TMS SAE 10W-30
PDS
Hydraulics
Indol EH ISO 46
(g, h, i, j, k)
29.1
PDS
Differentials & Final Drives (each)
Ultra Premium
Maxtron Enviro-EDGE GL 75W-90
(l)
42.0
Premium
MP Gear Lube SAE 80W-90
PDS
Engine (DT)
Recommendation:
Premium Maxtron DEO SAE 15W-40
Mainline Superlube TMS SAE 15W-40
(a, b, c, d, e)
Capacity 8.98(gal)
Transmission
Recommendation:
Premium Maxtron Power Transmission Fluid MV
Mainline Power Transmission Fluid SAE 30
(f)
Capacity 21.9 - 26.9(gal)
Coolant
Recommendation:
Ultra Premium Refer to Technical
Capacity 20.1(gal)
Steering Gearbox
Recommendation:
Ultra Premium Superlube 518 Diesel Engine Oil SAE 30
Mainline Superlube TMS SAE 10W-30
Capacity 0.872(gal)
Hydraulics
Recommendation:
Mainline Indol EH ISO 46
(g, h, i, j, k)
Capacity 29.1(gal)
Differentials & Final Drives (each)
Recommendation:
Ultra Premium Maxtron Enviro-EDGE GL 75W-90
Premium MP Gear Lube SAE 80W-90
(l)
Capacity 42.0(gal)

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
Alternative recommendations, -40°F to 50°F: Refer to Technical
b.
Alternative recommendations, -22°F to 104°F: Maxtron Enviro-Edge SAE 5W-40
c.
Alternative recommendations, -22°F to 86°F: Refer to Technical
d.
Alternative recommendations, -4°F to 104°F: Maxtron DEO SAE 10W-30 / Superlube TMS SAE 10W-30
e.
Alternative recommendations, 5°F to 122°F: Maxtron DEO SAE 15W-40 / Superlube TMS SAE 15W-40
f.
Transmission oil viscosity options: -30°C to 10°C, 5W-20 (special synthetic oils without VI improvers); -20°C to 10°C, 10W; 0°C to 35°C, 30; 5°C to 45°C, 40; 10°C to 50°C, 50
g.
Hydraulic oil viscosity options: -40°C to 40°C, 0W-20 or 0W-30; -30°C to 40°C, 5W-40; -20°C to 40°C, 10W or 10W-30; 10°C to 50°C, 30; -15°C to 50°C, 15W-40
h.
23°F to 113°F
i.
Alternative recommendations, -4°F to 104°F: Refer to Technical; Maxtron DEO SAE 10W-30 / Superlube TMS SAE 10W-30
j.
Alternative recommendations, 5°F to 122°F: Maxtron Power Transmission Fluid MV
k.
Alternative recommendations, 32°F to 122°F: Refer to Technical
l.
Final drives, differential and wheel bearing oil viscosity options: -30°C to 40°C, 75W-90 (special synthetic oils without VI improvers); -20°C to 0°C, 80W; -20°C to 40°C, 80W-90, -10°C to 50°C, 85W-140; 0°C to 40°C, 90

Oil Change Intervals

Engine (DT)
Months Max
3
Hours Max
250
Transmission
Months Max
6
Hours Max
1000
Coolant
Months Max
24
Hours Max
2000
Steering Gearbox
Hours Max
1000
Hydraulics
Months Max
18
Hours Max
3000
Differentials & Final Drives (each)
Months Max
12
Hours Max
2000