Trane OAN 30-54 — curb adapter & replacement fit

The Trane OAN 30-54 mounts on a roof curb with an overall footprint of 140″ × 63″. SMARTCurb can compile a fabrication-ready curb adapter between this unit and hundreds of other rooftop units — replacement without touching the roof deck.
Curb footprint: 140″ × 63″ (L × W)
Covered models: OAN 30-54
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Trane unit? Read the Trane curb compatibility guide →
Compatible replacement pairings
- Trane OAK 12-30 163.5″ × 55.5″
- Trane SAHDC20/25/30 149.5″ × 84.5″
- Trane SPHA200/250 135.5″ × 90.5″
- Trane RA040 127.76″ × 84.5″
- Trane OAD 169″ × 56″
- Trane ECC180A 117.1875″ × 81″
- Captive Aire CAS-HVAC3-20MF 143″ × 60.5″
- Captive Aire CASRTU3 141.5″ × 59″
Need this fabricated?
Taylor Metals builds SMARTCurb adapters in 16 ga galvanized steel, fully welded, ready to set. Vancouver / Pitt Meadows, BC.
Request a quote — most quotes within 24 hours