Our Recommendation

VERKOAGRI STOU 15w40

Make
CATERPILLAR
Model
420D (Backhoe Loaders)
Engine
D / DT
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Application
Recommendation
Capacity (ltr)
Engine (D / DT)
1
 VERKOAGRI STOU 15w40 (a)
7.2
2
 VERKOPLUS 15w40 LD
Rear Axle (133-7234 Brake Discs)
VERKOL SAE 30 TO-4 (b, c)
24.0
Rear Axle (230-4017 Brake Discs)
VERKOL SAE 30 TO-4 (b, d)
24.0
Rear Axle (AWS)
  (e)
8.3
Transmission
VERKOL SAE 30 TO-4
19.0 - 20.5
Front Axle (AWD)
1
 VERKOL GT-8/80w90 EP (f, g, h)
11.0
2
 SALDUBA 80w90 LS
3
 VERKOL GT-7/80w90 EP
Coolant
 
23.6 - 25.5
Brake Fluid
VERKOL SAE 10w TO-4 (i)
0.7
Hydraulics
VESTA 10w HD (i, j, k, l, m, n)
49.0
Grease Points
1
 QUAKERTEK ATLANTA 2
2
 QUAKERTEK VERKOMAX R 250
3
 QUAKERTEK MOLYVERKOL 2
Front Axle Final Drives (AWD each)
1
 VERKOL GT-8/80w90 EP (o, p, q)
0.7
2
 SALDUBA 80w90 LS
3
 VERKOL GT-7/80w90 EP

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.
Use 197-0017 axle & brake oil additive as directed.
c.
-25°C to 40°C
d.
-25°C to 40°C
e.
Use oil additive as directed. CAT 9x-2037 can be used as an alternative.
f.
-20°C to 40°C
g.
Alternative recommendations, -30°C to 40°C: VERKOL GT-8/75w90
h.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP
i.
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
j.
-20°C to 40°C
k.
Alternative recommendations, -20°C to 40°C: TF CAT TDTO 10W; VERKOPLUS 10w30 MSA
l.
Alternative recommendations, -15°C to 50°C: TF CAT TDTO TMS
m.
Alternative recommendations, -5°C to 45°C: HY CAT HYDO 20W
n.
Alternative recommendations, 0°C to 50°C: HY CAT HYDO 30
o.
-20°C to 40°C
p.
Alternative recommendations, -30°C to 40°C: VERKOL GT-8/75w90
q.
Alternative recommendations, -10°C to 50°C: VERKOL GT-7/85w140 EP

General Notes

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Oil Change Intervals

Engine (D / DT)
Months Max
3
Hours Max
500
Rear Axle (133-7234 Brake Discs)
Months Max
6
Hours Max
1000
Rear Axle (230-4017 Brake Discs)
Months Max
6
Hours Max
1000
Rear Axle (AWS)
Months Max
6
Hours Max
1000
Transmission
Months Max
6
Hours Max
1000
Front Axle (AWD)
Months Max
6
Hours Max
1000
Coolant
Months Max
72
Hours Max
6000
Brake Fluid
Months Max
12
Hours Max
1000
Hydraulics
Months Max
18
Hours Max
3000
Front Axle Final Drives (AWD each)
Months Max
6
Hours Max
1000