ATLAS IMPERIAL DIESEL ENGINES

Common Engine Sizes and Specifications

 Bore & Stroke

Cylinders

HP

RPM

 Total Weight

 Reversing

 Notes

 6.5 x 8.5

2

30

600

 4150

Planetary

Smallest Atlas Imperial

 6.5 x 8.5

3

45

600

 5140

 Planetary

 

 6.5 x 8.5

4

60

600

 6210

 Planetary

 

 7.5 x 10.5

 6

120

400 

 12,948

Direct

Smallest Direct Reversing

8 x 10.5

4

85

450

 11,300

Planetary

 

9 x 12

4

110

325

 14,700

Planetary

Common in Fishing Boats

9 x 12

6

160

325

 18,336

Direct

 

10 x 13

4

135

325

 18,010

Planetary

 

10 x 13

6

200

325

 24,800

Direct

 

10.5 x 13

4

155

350

 19,515

Planetary

 

10.5 x 13

6

225

350

26,750

Direct

 

11.5 x 15

6

275

260

 38,130

Direct

 

13 x 16

6

400

260

 42,000

Direct

 Common Tug Engine

There are many more sizes besides these!

Marshall Machine & Engineering Works Ltd.
P.O. Box 279
Lopez Island, WA, USA 98261

1-360-468-3478