4 ton
I own this model. It's a 10 SEER, 5-ton unit.
Three ton
3 TONS
since the model number has 42, i would say it probably is a 3 1/2 ton.
trane air handler tonnage for model BWV760P100A1
PA13NR036-E is a three 930 ton unit.
5 ton /60,000 btu's
It is 4 ton.
3 ton split condenser
2ttr2030a1000a is a 2.5 ton
3 ton.