1931 Trojan Rear-Engined Cars Sales Brochure. The unique rear-engined Trojan chassis - far in advance of the times - has its engine and other motive parts placed where logically they should be - at the rear. The outstanding reasons, though obvious, bear enumerating, which the brochure does. Includes pricing, chassis specifications and owner testimonials. Condition: Rusty staple. Note: English Market Note: English Market