⚠ The Next Engine Needs Different EconomicsModerate threat

RTX (RTX) — threat to the moat

RTX's chief executive has said the next engine may need different economics from the 25-year aftermarket model that built Pratt & Whitney.

The business model that built Pratt & Whitney's installed base may not be the one that builds the next. On the second-quarter 2026 call Christopher Calio suggested the next generation of propulsion needs to "smooth out some of those cash flows" rather than wait decades for aftermarket shop visits to repay an engine sold at a loss1.

How Pratt & Whitney paid for the GTF installed baseSell enginediscounts andguaranteesRecall2.9bn profitcharge, 2023Aftermarket44% of 2025 salesMargin7.9% in 2025RTX Form 10-K FY2025; Q2 2026 call
The payback runs for decades.

That is a significant admission from the company that sold the GTF on those terms. The deep discounts, guarantees and financing that win a position2 are paid up front; the return arrives over twenty-five years, and a recall can consume a large part of it. The powder-metal matter alone cost $2.9 billion of operating profit in 20233.

The timing of that next engine is covered under The Future Bets.

There are signs of the change already. Pratt & Whitney Canada is leading the development of a hybrid-electric derivative of the PW127XT engine for regional aircraft, incorporating a 250kW Collins motor, as part of a consortium project4. It is a small programme, but it is funded jointly and shared across RTX's segments rather than paid for by decades of future overhauls.

The signal will be the terms of the next large engine campaign. If Pratt & Whitney wins it with smaller discounts and paid-for maintenance, the model will have changed; if it wins on deeper discounts than the GTF's, the margin gap will persist for another generation.

References
  1. ReportedOn the second-quarter 2026 call Christopher Calio suggested the next generation of propulsion needs to "smooth out some of those cash flows" rather than wait decades for aftermarket shop visits to repay an engine sold at a loss.
    RTX second-quarter 2026 earnings call transcript (The Motley Fool) - Raytheon bookings and book-to-bill, GTF aircraft-on-ground and MRO output, munitions output, framework agreements, the defence budget request, GTF Advantage, Collins margin plans and segment outlook - commercial: GTF fleet, maintenance output, aftermarket, orders, Collins and the outlook. — Q2 2026 · publ. 24 July 2026 · source ↗
  2. ReportedThe deep discounts, guarantees and financing that win a position are paid up front; the return arrives over twenty-five years, and a recall can consume a large part of it.
    RTX Form 10-K for fiscal 2025 - Item 1A risk factors: competition on price, delivery and technology; customers buying parts from suppliers other than the original equipment manufacturer; discounts and guarantees to win engine positions; new defence entrants; GTF durability; reputational harm; pension sensitivity to the discount rate; tariffs. — FY2025 · publ. 6 February 2026 · source ↗
  3. ReportedThe powder-metal matter alone cost $2.9 billion of operating profit in 2023.
    RTX Form 10-K for fiscal 2025 - the Powder Metal Matter: the July 2023 finding, the third-quarter 2023 charge ($5.4 billion of net sales, $2.9 billion of operating profit at Pratt & Whitney's net 51% program share, partners' 49% share), customer-compensation accruals of $1.7 billion at the end of 2024 and $0.7 billion at the end of 2025, $1.0 billion used in each of 2024 and 2025, and elevated aircraft on ground levels through the end of 2026. — FY2023-FY2025 · publ. 6 February 2026 · source ↗
  4. ReportedPratt & Whitney Canada is leading the development of a hybrid-electric derivative of the PW127XT engine for regional aircraft, incorporating a 250kW Collins motor, as part of a consortium project.
    RTX Form 10-K for fiscal 2025 - Item 1 business: the three segments and their products, the GTF family powering more than 2,600 aircraft for over 90 operators, the F135 as sole-source engine on all F-35 variants, GTF Advantage certification, the IAE collaboration shares, employees (about 180,000 in 52 countries, 69% in the U.S.) and the divested businesses. — FY2025 · publ. 6 February 2026 · source ↗
Sources
Generated September 28, 2026