Our Recommendation

Make
CATERPILLAR
Model
426C (Backhoe Loaders)
Engine
D / DT
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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

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

General Notes

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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