Ford Super Duty engine
Design

Ford Super Duty engine

Section Title: Design
Table Section Text: None

Name	Configuration	Bore x stroke	Power output	Torque output

SD-401	401 cu in (6.6 L)	4 1⁄8 in × 3 3⁄4 in (104.8 mm × 95.3 mm)	226 hp (169 kW) @ 3600 rpm	350 lb⋅ft (475 N⋅m) @ 2500-3600 rpm

SD-477	477 cu in (7.8 L)	4 1⁄2 in × 3 3⁄4 in (114.3 mm × 95.3 mm)	253 hp (189 kW) @ 3400 rpm	430 lb⋅ft (583 N⋅m) @ 2500-3000 rpm

SD-534	534 cu in (8.8 L)	4 1⁄2 in × 4.2 in (114.3 mm × 106.7 mm)	266 hp (198 kW) @ 3200 rpm	490 lb⋅ft (664 N⋅m) @ 1800-2300 rpm

Sentence(s)

The 477 has a 4 ¹⁄₂ in (114.3 mm) bore; the 534 has a stroke of 4.2 in (106.7 mm).

final_sentence: The 477 has a 4 ¹⁄₂ in (114.3 mm) bore; the 534 has a stroke of 4.2 in (106.7 mm).