Trane 4YCY4042 — curb adapter & replacement fit
The Trane 4YCY4042 mounts on a roof curb with an overall footprint of 56.125″ × 41.875″. 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: 56.125″ × 41.875″ (L × W)
Covered models: 4YCY4042, 4YCY4048, 4YCY4060
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Trane unit? Read the Trane curb compatibility guide →
Compatible replacement pairings
- Trane DCY048/060A 56.125″ × 41.875″
- Trane BGTC042/48/60D 57.75″ × 46.5″
- Trane YCC024/30/36/42/48C 48″ × 42.5″
- Trane T/YHC036E 65.8125″ × 41.4375″
- Trane J4PG4048/60B 46″ × 42″
- Trane THC033/36/43/48/60/63A 65.5″ × 41″
- American Standard 2WCX3042/48/60 56″ × 42″
- York D*NS018/024/030/036 58″ × 42″
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