{"id":4862,"date":"2026-09-21T06:57:26","date_gmt":"2026-09-21T06:57:26","guid":{"rendered":"https:\/\/yzdlparts.com\/?p=4862"},"modified":"2026-09-21T06:57:28","modified_gmt":"2026-09-21T06:57:28","slug":"cummins-k19-engine-specs-parts-and-applications","status":"publish","type":"post","link":"https:\/\/yzdlparts.com\/he\/technical-support\/cummins-k19-engine-specs-parts-and-applications\/","title":{"rendered":"Cummins K19 Engine: Specs, Parts and Applications"},"content":{"rendered":"

\u05d4 \u05e7\u05d0\u05de\u05d9\u05e0\u05e1 K19<\/a><\/strong><\/strong>\u00a0is a 19-liter inline-six diesel engine built for heavy-duty work. It has been used in mining equipment, marine applications, industrial systems, and other equipment where high torque and long operating hours matter.<\/p>\n\n\n\n

The K19 family includes several configurations, including the KT19, KTA19, and KTTA19. Their basic architecture is closely related, but the turbocharging, aftercooling, ratings, and applications can differ. Cummins also publishes separate specifications for different versions, so the K19 name does not represent one single engine configuration.<\/p>\n\n\n\n

\"\u05de\u05e0\u05d5\u05e2<\/figure>\n\n\n\n

What Is the Cummins K19?<\/strong><\/strong><\/h2>\n\n\n\n

\u05d4 \u05e7\u05d0\u05de\u05d9\u05e0\u05e1 K19<\/a><\/strong>\u00a0is part of the larger Cummins K Series. It is a six-cylinder, four-stroke diesel with a displacement of approximately 19 liters. The engine uses a 159 mm bore and 159 mm stroke, giving it the square design associated with this engine family.<\/p>\n\n\n\n

Cummins lists the K19 for mining applications with ratings from 450 to 700 HP, depending on the configuration. The published range includes KT19, KTA19, and KTTA19 versions.<\/p>\n\n\n\n

The engine uses a PT fuel system and is designed around a number of features intended for demanding operating conditions. These include a fillet-hardened crankshaft, galley-cooled pistons, prelubrication equipment, and turbocharging.<\/p>\n\n\n\n

KT19, KTA19 and KTTA19<\/strong><\/strong><\/h2>\n\n\n\n

KT19<\/h3>\n\n\n\n

The KT19 is a turbocharged version of the K19 family. Cummins lists a 450 HP mining rating for one KT19 configuration.<\/p>\n\n\n\n

Compared with later aftercooled versions, its configuration is simpler. The exact equipment and rating still depend on the engine specification.<\/p>\n\n\n\n

KTA19<\/h3>\n\n\n\n

\u05d4 KTA19 Cummins engine<\/strong> is one of the most widely recognized versions of the K19 family. The “A” designation refers to aftercooling.<\/p>\n\n\n\n

Cummins lists several KTA19 ratings. Its mining specifications include a 600 HP version and a 525 HP version, with different torque characteristics depending on the rating. KTA19 engines have also been used in marine applications. Cummins publishes separate marine specifications for KTA19 engines, including propulsion and auxiliary applications.<\/p>\n\n\n\n

KTTA19<\/h3>\n\n\n\n

The KTTA19 adds a second turbocharger arrangement to the K19 platform. Cummins lists a 700 HP KTTA19 mining rating with peak torque of 2,014 lb-ft.<\/p>\n\n\n\n

This configuration is associated with higher-output applications and should be treated as a specific engine configuration rather than simply assuming that every K19 can produce the same output.<\/p>\n\n\n\n

\u05de\u05e4\u05e8\u05d8 \u05de\u05e0\u05d5\u05e2 Cummins K19<\/strong><\/strong><\/h2>\n\n\n\n

Specifications<\/strong><\/strong><\/p>\n\n\n\n

\u05e1\u05d5\u05d2 \u05d4\u05de\u05e0\u05d5\u05e2<\/strong> <\/td>Inline 6<\/td><\/tr>
\u05ea\u05d6\u05d5\u05d6\u05d4<\/strong>   <\/td>1156 cu in  <\/td>19 liters <\/td><\/tr>
\u05d4\u05e1\u05e4\u05e7 \u05de\u05d5\u05e6\u05d4\u05e8<\/strong> <\/td>450-700 hp<\/td>336-522 kW  <\/td><\/tr>
\u05de\u05d5\u05de\u05e0\u05d8 \u05de\u05e8\u05d1\u05d9<\/strong><\/td>1125-2014 lb-ft<\/td>1526-2731 N\u2022m<\/td><\/tr>
Bore and Stroke<\/strong> <\/td>6.25 in x 6.25 in<\/td>159 mm x 159 mm <\/td><\/tr>
\u05e9\u05d0\u05d9\u05e4\u05d4<\/strong> <\/td>Turbocharged and Aftercooled<\/td><\/tr>
Oil System Capacity<\/strong> <\/td>80 U.S. qt <\/td>76 liters <\/td><\/tr>
\u05e0\u05e4\u05d7 \u05e0\u05d5\u05d6\u05dc \u05d4\u05e7\u05d9\u05e8\u05d5\u05e8<\/strong> <\/td>44 U.S. qt <\/td>42 liters <\/td><\/tr>
\u05d0\u05d5\u05e8\u05da<\/strong> <\/td>62.0 in <\/td>1574 mm <\/td><\/tr>
\u05e8\u05d5\u05d7\u05d1<\/strong><\/td>31.7-38.4 in <\/td>805-975 mm <\/td><\/tr>
\u05d2\u05d5\u05d1\u05d4<\/strong><\/td>54.0-64.5 in <\/td>1371-1638 mm <\/td><\/tr>
Wet Weight<\/strong><\/td>6000-6170 lb <\/td>2722-2799 kg <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Cummins K19 Applications<\/strong><\/strong><\/h2>\n\n\n\n

\u05d4 \u05e7\u05d0\u05de\u05d9\u05e0\u05e1 K19<\/strong> has a long history in heavy-duty equipment.<\/p>\n\n\n\n

\u05e6\u05d9\u05d5\u05d3 \u05db\u05e8\u05d9\u05d9\u05d4<\/h3>\n\n\n\n

Mining is one of the main applications associated with the K19. Cummins lists the engine for equipment such as haul trucks, excavators, blast hole drills, and wheeled loaders.<\/p>\n\n\n\n

These machines place very different demands on an engine from highway vehicles. Long working cycles, high loads, dust, heat, and difficult operating conditions all require a power unit designed for sustained use. The K19’s large displacement and inline-six layout make it suitable for this type of work.<\/p>\n\n\n\n

Marine Applications<\/h3>\n\n\n\n

K19-family engines are also found in marine equipment. Cummins publishes KTA19 marine specifications covering propulsion and auxiliary applications. Marine versions use the same basic 19-liter, six-cylinder architecture but have equipment and ratings suited to marine installations. Cooling arrangements, accessories, ratings, and other installation details can differ.<\/p>\n\n\n\n

Industrial and Generator Applications<\/h3>\n\n\n\n

The K19 platform has also been used in industrial power systems and generator applications. In these installations, the engine may operate at a relatively steady load for extended periods. The exact rating depends on the generator or industrial configuration.<\/p>\n\n\n\n

Cummins K19 Engine Parts<\/strong><\/strong><\/h2>\n\n\n\n

A K19 overhaul or repair can involve anything from a single fuel-system component to major internal engine parts. The current K19 range supplied by YIZHI POWER covers several of these areas.<\/p>\n\n\n\n

(1)K19 Fuel Injectors<\/h3>\n\n\n\n

The fuel injector plays a central role in the K19 fuel system. It meters fuel into the combustion process, so its condition has a direct effect on engine operation.<\/p>\n\n\n\n

YIZHI POWER currently lists several K19 injector references, including:<\/p>\n\n\n\n