| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | Ford Super Duty engine - Design |  |  |  |  |
| 3 | Name | Configuration | Bore x stroke | Power output | Torque output |
| 4 | 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 |
| 5 | 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 |
| 6 | 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 |

Question: What are the measurements of the bore in the Ford Super Duty engine 447 model and the stroke in the 534 model?
Answer: The 477 has a 4 ¹⁄₂ in (114.3 mm) bore; the 534 has a stroke of 4.2 in (106.7 mm).