Trane TCD102/103/120/121B — curb adapter & replacement fit

The Trane TCD102/103/120/121B mounts on a roof curb with an overall footprint of 89″ × 59″. 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: 89″ × 59″ (L × W)
Covered models: TCD102/103/120/121B, TCD103/150C, WCD120B, YCD102/103/120/121B, YCD103/150C, YCD103C, YCD120C (H)
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Trane unit? Read the Trane curb compatibility guide →
Compatible replacement pairings
- Trane THC092/102/120E 84″ × 60″
- Trane T/YHC120F 84.5″ × 56.375″
- Trane EBC090A 84.8125″ × 54.5625″
- Trane SACBC12 83″ × 64.5″
- Trane THC047/48/60/67/72E 84″ × 50″
- Trane OAD 103″ × 56″
- American Standard TCD102/120A 89″ × 59″
- Captive Aire CASRTU3 91″ × 59.5″
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