Which specification does Axle & differential oil need for the John Deere Iron Horse 4040 (1978–1982)?

Axle & differential oil for the John Deere Iron Horse 4040 (1978–1982): 10W-30, ACEA E2, ACEA E3.

Which specification does Coolant & antifreeze need for the John Deere Iron Horse 4040 (1978–1982)?

Coolant & antifreeze for the John Deere Iron Horse 4040 (1978–1982): G11, G12.

Suitable for John Deere Iron Horse 4040 (1978–1982)

For the John Deere Iron Horse 4040 (1978–1982), the manufacturer specifies motor oil 15W-40 (ACEA A2, ACEA A3/B4, ACEA B3) or 20W-50 (API CC, API SC, API SD).

Fluids and approvals for the John Deere Iron Horse 4040 (1978–1982)

Fluid	Requirement
Motor oil	15W-40: ACEA A2, ACEA A3/B4, ACEA B320W-50: API CC, API SC, API SD
Axle & differential oil	10W-30, ACEA E2, ACEA E3
Coolant & antifreeze	G11, G12