Preview of ADE 422, 423, & ADE 424 engine specs

Barrington Diesel Club, your source of engine specs and technical data for ADE engines.

Preview of specs for ADE 422, ADE 423 and ADE 424 engines are to be found at Barrington Diesel Club, whose aim it is to provide technical data, specs and bolt torques relevant to Cummins, Detroit Diesel, EMD and ADE engines. Our 'Members Only' section, showing the missing detail, may be accessed by members or by owners of a '31 day Window'. Membership is available for US$ 5 per month or less, or through our '31 day Window' at US$ 8.99 for occasional visitors. With membership you may view everything on the site without restriction. The '31 day Window' means you can view everything on the site without restriction for 31 days.
At Barrington diesel club bolt tightening torques and fuel consumption rates are provided for many engines beginning with Detroit Diesel,Cummins, and ADE. Our Web Log provides a forum for discussing diesel engine features and problems. We also provide general technical data such as Standard Torques for bolts and nuts, Properties of materials like the melting and boiling points of metals, metric to imperial cross references, SAE Flywheel housing sizes, as well as providing articles of general interest like discussions on fuel consumption and Detroit Diesel Air Box Pressures.

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ADE 420 series engines - Power at sea level
Engine	2300 rpm	1200 rpm	Comp Ratio	Compression @ Sea level	Pump timing	Engine Mass
ADE 422N	202 Kw	1022 Nm	16.9 : 1	28 bar	13° BTDC	815 Kg
ADE 422T	243 Kw	1402 Nm	16.25 : 1	26 bar	15° BTDC	865 Kg
ADE 422 TI	276 Kw	1550 Nm	16.25 : 1	26 bar	15° BTDC	865 Kg
ADE 423N	256 Kw	1278 Nm	16.9 : 1	28 bar	13° BTDC	965 Kg
ADE 423T	300 Kw	1687 Nm	16.25 : 1	26 bar	15° BTDC	1020 Kg
ADE 423TI	368 Kw	2000 Nm	16.25 : 1	26 bar	15° BTDC	1020 Kg
ADE 424N	289 Kw	1388 Nm	16.9 :1	28 bar	13° BTDC	1115 Kg
ADE 424T	412 Kw	2236 Nm	16.25 : 1	26 bar	15° BTDC	1165 Kg
ADE 424TI	452 Kw	2400 Nm @ 1400	16.25 : 1	26 bar	15° BTDC	1215 Kg

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General data for the ADE 420 Series
Engine Series	No Cyls	Firing Order	Cu Capacity	Bore	Stroke
ADE 422 Engines	8	1,5,7,2,6,3,4,8	14.62 liter	128 mm	142 mm
ADE 423 Engines	10	1,6,5,10,2,7,3,8,4,9	18.27 liter	128 mm	142 mm
ADE 424 Engines	12	1,12,5,8,3,10,6,7,2,11,4,9	21.93 liter	128 mm	142 mm

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12 Point bolt head - Cyl head torques for the ADE 420 Series
Cylinder Head Bolts - 12 point heads	Short Bolts	Medium Bolts	Long Bolts
Stretch Limit length	113 mm	146 mm	170 mm
Diameter x pitch	M15 x 2	M15 x 2	M15 x 2
1st Stage	10 Nm	10 Nm	10 Nm
2nd Stage	60 Nm	60 Nm	60 Nm
3rd Stage	120 Nm	120 Nm	120 Nm
4th Stage	180 Nm	180 Nm	180 Nm
Final Stage	+ 90-100 °	+ 90-100 °	+ 90-100 °

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Hex Bolt head - Cyl head torques for the ADE 420 Series
Cylinder Head Bolts - Hex heads	Short Bolts	Medium Bolts	Long Bolts
Diameter x pitch	M15 x 2	M15 x 2	M15 x 2
1st Stage	10 Nm	10 Nm	10 Nm
2nd Stage	50 Nm	50 Nm	50 Nm
3rd Stage	100 Nm	100 Nm	100 Nm
4th Stage	140 Nm	140 Nm	140 Nm
Final Stage	+ 90-100 °	+ 90-100 °	+ 90-100 °

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Other selected torques for the ADE 420 Series
Item	Con Rod bolts / Big Ends	Mains	Mains Cap Side Bolts	Counter Bal Wt.	Crank Pulley
Stretch Limit length	68.5 mm	156 mm	.	84.5 mm	.
Diameter x pitch	M16 x1.5	M18 x 2	M12 x 1.5	M16 x 1.5	M24 x 1.5
1st Stage	100 Nm	300 Nm	Torque mains before tightening side bolts	100 Nm	.
2nd Stage	.	.	.	.	.
3rd Stage	.	.	.	.	.
Final Stage	+ 90-100 °	+ 90-100 °	80 Nm	+ 90-100 °	500 Nm

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Flywheel torques ADE 420 Series
Flywheel Bolts - 12 point heads	length 74 mm	Length 80 mm	Length 85 mm	Flywheel Bolts - Old Type Hex
Stretch Limit length	75 mm	81 mm	86 mm	.
Diameter x pitch	M16 x 1.5	M16 x 1.5	M16 x 1.5	M16 x 1.5
1st Stage	210 Nm	210 Nm	210 Nm	100 Nm
Final Stage	+ 90-100 °	+ 90-100 °	+ 90-100 °	+ 90-100 °

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Useful sizes and clearances
Item	New Ave	Limits
Cyl Head Thickness	114 mm	113.4 mm
Big end Ø Std	90 mm	89 mm
Main Bearing Ø Std	104 mm	103 mm
Item	Min	Max
Piston Protrusion	+0.07 mm	+0.43 mm
Crank end play	0.190 mm	0.332 mm
.	.	.

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Valve settings for ADE 420 engines
Item	ADE 422N	ADE 422N	ADE 422 T/TI	ADE 422 T/TI	ADE 423N	ADE 423T/TI	ADE 424
Effective S/No	Up to SA 002762	From SA 002763	Up to SA 003441	From SA 003442	All	Later	Later
Inlet Valves - cold	0.25 mm	0.40 mm	0.30 mm	0.40 mm	0.40 mm	0.40 mm	0.40 mm
Exhaust Valves - cold	0.35 mm	0.60 mm	0.50 mm	0.60 mm	0.60 mm	0.60 mm	0.60 mm