G-7
ZD21N-EC, ZD21-EC, ZD28-EC, WSM
G GENERAL
4. LUBRICANTS, FUEL AND COOLANT
* Oil amount when the oil level is the upper of the oil level gauge.
** KUBOTA original transmission hydraulic fluid
No. Place
Capacity
Lubricants, fuel and coolant
ZD21N-EC ZD21-EC ZD28-EC
1Fuel
30 L
7.9 U.S.gals.
6.6 Imp.gals.
No. 2-D diesel fuel
No. 1-D diesel fuel if temperature is
below – 10 °C (14 °F)
2Coolant
Cooling
system
2.6 L
2.7 U.S.qts.
2.3 Imp.qts.
3.8 L
4.0 U.S.qts.
3.3 Imp.qts.
Fresh clean water (soft water) with
anti-freeze
Recovery
tank
0.25 L
0.26 U.S.qts.
0.22 Imp.qts.
3 Engine crankcase
3.5 L*
3.7 U.S.qts.
3.1 Imp.qts.
3.4 L*
3.6 U.S.qts.
3.0 Imp.qts.
Engine oil : API Service
Classification CC or CD
Below 0 °C (32 °F) : SAE10W,
10W-30 or 10W-40
0 to 25 °C (32 to 77 °F): SAE20,
10W-30 or 10W-40
Above 25 °C (77 °F): SAE30, 10W-
30 or 10W-40
4 Transmission case
3.2 L
3.4 U.S.qts.
2.8 Imp.qts.
KUBOTA UDT or SUPER UDT
fluid**
5
Transmission case with
filter & hose
4.0 L
4.2 U.S.qts.
3.5 Imp.qts.
6 Rear axle case
1.8 L each
1.9 U.S.qts. each
1.6 Imp.qts. each
7 Mower gear case
0.40 L
0.42 U.S.qts.
0.35 Imp.qts.
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