Our Recommendation

Make
CATERPILLAR
Model
420 (S/N L8T00001 - Up) (Backhoe Loaders)
Engine
D
Year
2020-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (D) (Caterpillar C4.4)
  (a, b, c, d, e)
8.8
Transmission
VERKOL SAE 30 TO-4 (f, g, h)
15.0 - 20.0
Front Axle Differential
  (i)
11.0
Rear Axle Differential
  (j)
16.0
Coolant (with/without Heater)
  (k)
18.0 / 16.0
Hydraulics
VESTA 10w HD (l, m, n)
41.0
Grease Points
1
QUAKERTEK VERKOMAX FGM 2 (o)
2
QUAKERTEK VERKOMAX R 250
3
QUAKERTEK VERKOMAX SG 2
Air Conditioning Compressor
 
Final Drives (Front each)
  (p)
0.7
Final Drives (Rear each)
  (q)
1.7

Lubricant / Capacity Notes

a.
-18°C to 40°C
b.
Alternative recommendations, -40°C to 40°C: EO CAT DEO-ULS 0W-40; CK-4 0W-40
c.
Alternative recommendations, -30°C to 50°C: EO CAT DEO-ULS 5W-40; CK-4 5W-40
d.
Alternative recommendations, -18°C to 40°C: CK-4 10W-30
e.
Alternative recommendations, -10°C to 50°C: EO CAT DEO-ULS 15W-40; CK-4 15W-40
f.
-25°C to 50°C
g.
Alternative recommendations, -20°C to 35°C: TF CAT TDTO 10W
h.
Alternative recommendations, 10°C to 50°C: TF CAT TDTO TMS
i.
-20°C to 40°C
j.
-20°C to 40°C
k.
Mix ratio, 50% >-37°C
l.
-20°C to 50°C
m.
Alternative recommendations, -40°C to 50°C: HY CAT BIO HYDO 10W
n.
Alternative recommendations, -20°C to 50°C: VERKOL SAE 10w TO-4
o.
-20°C to 40°C
p.
-20°C to 40°C
q.
-20°C to 40°C

General Notes

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Oil Change Intervals

Engine (D) (Caterpillar C4.4)
Months Max
12
Hours Max
500
Transmission
Hours Max
1000
Front Axle Differential
Hours Max
1000
Rear Axle Differential
Hours Max
1000
Coolant (with/without Heater)
Months Max
72
Hours Max
12000
Hydraulics
Hours Max
3000
Final Drives (Front each)
Hours Max
1000
Final Drives (Rear each)
Hours Max
1000