Servicing The Engine Oil - Toro 74274 Operator's Manual

1. Air filter body
2. Air filter
Installing the Air Filter
1. If installing a new filter, check the filter for shipping
damage. Do not use a damaged filter.
2. Carefully slide the filter into the filter body
(Figure 32). Ensure that it is fully seated by pushing
on the outer rim of the filter while installing it.
Important: Do not press on the soft inside area
of the filter.
3. Install the air cleaner cover and secure the latches
(Figure 32).
1
2
3
4
G001049
Figure 31
3. Air cleaner cover
4. Latches
1. Air filter body
2. Air filter

Servicing the Engine Oil

Oil Type: High-quality detergent oil classified API
Service CD or higher for diesel engines. Do not use
special additives with recommended oils.
Crankcase Capacity: 3.9 quarts (3.7 liters)
Viscosity: See the table below.
SAE 10
10W−30
10W−40
−20 0 20
5 F
−30 −20 −10
5 C
32
1
2
3
4
G001048
Figure 32
3. Air cleaner cover
4. Latches
SAE30
10W−30
10W−40
SAE 20
10W−30
10W−40
80
40 60 77
32
10 20 30
0
Figure 33
100
40
G001061