Mercedes OM636 Diesel Engine Manuals
The Mercedes-Benz OM636 Diesel Engine was produced in two versions 1.7L (1,697 cc) and 1.8L (1,767 cc) from 1949-1990 and was succeeded by the OM621 Diesel Engine
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Download: OM621 OM636 Engine Service Repair Manual
Diesel OM621 OM636 Engine Manual
Download: 53.2mb, 723 pages, .pdf
OM621 Application: W110, W120, W121
OM636 Application: W120, W136, W191
$19.95
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Download: Unimog OM615 OM616 OM621 OM636 Engine Manual
Diesel
Engines Service Repair Manual
Application: Unimog
Download: 42.8mb, 329 pages
Format: pdf document
$19.95
Download Link Sent to your PayPal email address
OM636 Engine Technical Data
The OM636 is a diesel engine introduced in 1949 as the successor of the OM138. During its long production run, it was first used as a passenger car engine in the Mercedes-Benz W136 starting in 1949. Later, it was sold as an industrial engine with many applications in vehicles such as light trucks, boats, and combine harvesters. While it was succeeded by the OM621, the OM636 was kept in production until 1990 for various applications.
The OM636 is a water-cooled inline-four-cylinder diesel engine with pre-combustion chamber injection, OHV valve-train and wet sump lubrication. Both the cylinder head and the cylinder block are made of grey cast iron. Both the crankshaft, which is supported in three bearings, and the connection rods are forged. The pistons are made of a light metal alloy. In the cylinder head, the OM636 has two overhead valves per cylinder. The camshaft is driven by gears, it also drives the injection pump. The inlet and the pre-combustion chambers are on the left engine side, the outlet, camshaft and injection pump are placed on the right engine side.
OM636 Variant Version Specifications
| Engine code | Displacement | Compression | Rated power | Torque |
|---|---|---|---|---|
| OM636 I | 1,697 cc (1.7 L) | 19.0:1 | 38 hp @ 3200 rpm | 71 lb.ft @ 2000 rpm |
| OM636 VI | 1,767 cc (1.8 L) | 19.0:1 | 39 hp @ 3200 rpm | 74 lb.ft @ 2000 rpm |
| OM636 VII | 1,767 cc (1.8 L) | 19.0:1 | 43 hp @ 3500 rpm | 72 lb.ft @ 2000 rpm |
Vehicle Applications
In 1949, the W136 was offered with the OM636 displacing 1,7 L producing 28 kW (38 hp). For a short period of time between January 1952 and August 1953, a facelift version of the W136 - chassis code W191 was introduces with an increased 1kW powered OM636. In 1953, the W120 succeeded the W191, starting in 1954 it was offered with an upgraded version of the OM636 now displacing 1,8 L and making 32 kW (43 hp). After the introduction of the W110 in 1961, the OM636 was no longer used as a passenger car engine by Daimler-Benz.
- 170 D (W 136)
- 170 DS (W 191)
- 180 D (W 120)
