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Our Recommendation

Make
CATERPILLAR
Model
426C (Backhoe Loaders)
Engine
D / DT
Application
Recommendation
Capacity (ltr)
Engine (D / DT)
  (a)
7.3
Transmission
VERKOL SAE 30 TO-4
15.0 / 18.0 (b)
Coolant
 
18.9 - 21.6
Brake Fluid
 
0.7
Hydraulics
VESTA 10w HD (c, d, e, f, g, h)
37.9
Front Powered Axle
VERKOL GT-7/85w140 EP (i, j, k, l)
7.5
Front Powered Axle Final Drives (each)
VERKOL GT-7/85w140 EP (m, n, o, p)
0.8
Rear Axle (AWS)
 
8.3
Rear Axle (standard)
 
24.0
Rear Reduction Hubs (each, AWS)
 
1.6

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.
Transmission & torque converter (2WD) and powershift (2WD and All Wheel Drive); 15 ltr; Transmission & torque converter (All Wheel Drive): 18 ltr
c.
Caterpillar list API CG-4, API CF and CAT TO-4 as alternative specifications. These oils must have a minimum zinc content of 900 ppm
d.
-20°C to 40°C
e.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
f.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
g.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
h.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
i.
Alternative recommendations, -30°C to 40°C: VERKOL GT-8/75w90
j.
Alternative recommendations, -20°C to 40°C: VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
k.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP
l.
Alternative recommendations, 0°C to 40°C: SALDUBA 80w90 LS / VERKOL GT-7 SAE-90 EP
m.
Alternative recommendations, -30°C to 40°C: VERKOL GT-8/75w90
n.
Alternative recommendations, -20°C to 40°C: VERKOL GT-8/80w90 EP / SALDUBA 80w90 LS / VERKOL GT-7/80w90 EP
o.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP
p.
Alternative recommendations, 0°C to 40°C: SALDUBA 80w90 LS / VERKOL GT-7 SAE-90 EP

Oil Change Intervals

Engine (D / DT)
Months Max
1
Hours Max
250
Transmission
Months Max
6
Hours Max
1000
Coolant
Months Max
12
Hours Max
2000
Brake Fluid
Months Max
12
Hours Max
1000
Hydraulics
Months Max
18
Hours Max
3000
Front Powered Axle
Months Max
6
Hours Max
1000
Front Powered Axle Final Drives (each)
Months Max
6
Hours Max
1000
Rear Axle (AWS)
Months Max
6
Hours Max
1000
Rear Axle (standard)
Months Max
6
Hours Max
1000
Rear Reduction Hubs (each, AWS)
Months Max
6
Hours Max
1000