اطلاعات در مورد موتور sd33 پاترول دیزل

The SD-33 was originally a joint-venture between Chrysler and Nissan. I'm not sure on the details, but I'd guess that Chrysler wanted to help Nissan out (this was before Japanese car companies had a decent foothold in the United States). The engine was designed originally for the Nissan Patrol, as well as forklifts, but the fuel crisis of the '70's was in full swing, and International-Harvester was looking for a small, high-economy diesel to put in their Scouts. I'm not sure why they chose the SD-33 instead of making their own engine, but that's what they did. At some point after IH started using the diesels in some Scouts, Chrysler let Nissan work on their own. To anyone who has a diesel Scout, the yellow engines were joint Chrysler/Nissan built, and the blue engines (most blue engines are SD-33T's, but not all of them) were made by Nissan on their own. I don't have a list of specifications for the SD-33, but I do have the specs for the SD-33T below. The SD-33 is lacking a turbocharger, and therefore has less horsepower/torque numbers, but otherwise, they are similar engines. The SD-33 puts out 92 horsepower, while the SD-33T puts out 101 horsepower and 175 ft-lbs of torque. Here's the information on the SD-33T:

GENERAL

TYPE: 4-cycle, water-cooled diesel
COMBUSTION: Swirl Chamber, pre-combustion chamber type
CYLINDERS: 6, in-line, vertical
BORE x STROKE: 83x100mm (3.27x3.94in.)
PISTON DISPLACEMENT: 3246cc (3.2 litres, 198 cubic inches)
COMPRESSION RATIO: 20.8 : 1
WEIGHT (DRY): Approx. 305 kg (about 672 lbs)
ASPIRATION: Turbocharger, max. output approx. 6.5psi

DESIGN FEATURES

CYLINDER BLOCK
High-strength cast iron with replaceable dry liners.
CYLINDER HEAD
One-piece high-strength cast iron; special cast-iron valve inserts are shrink-fitted.
CRANKSHAFT
Drop-forged steel with balance weights; all main and connecting rod bearing surfaces are induction-hardened.
PISTON AND RINGS
Aluminum alloy piston for high strength, lightweight and good heat conductivity; three compression and two oil control rings are chrome-plated for long service life.
CAMSHAFT
High-quality cast iron; lobes are specially processed to improve hardness and durability.
BEARINGS
Precision type, steel-backed trimetal shell; five main bearings.
VALVES
Overhead valves; one intake and exhaust per cylinder; made of special heat-resistant steel; exhaust valve with stellite-treated surface.

STANDARD EQUIPMENT

Flywheel Housing...............SAE No. 4
Flywheel.......................SAE for 8-inch drive-ring-type overcenter clutch
Injection Pump.................Bosch A-type, in-line plunger, forced circulation
Governor.......................RSV, mechanical all-speed governor, within 10% speed change
Timer..........................Automatic centrifugal type
Injection Nozzle...............Bosch throttle type
Fuel Feed Pump.................Bosch piston type driven by injection pump camshaft
Fuel Filter....................Replaceable cartridge type with overflow valve
Air Cleaner....................Replaceable dry-paper-element type
Exhaust Manifold...............Flange type, rear side-facing outlet
Oil Pump.......................Gear type
Oil Filter.....................Full-flow, replaceable cartridge type
Oil Pan........................Pressed-steel plate, rear sump type; capacity: high 5.5/(1.2 imp gal.) (appx. 11 quarts)
Oil Cooler.....................Flat-tube type
Cooling Fan....................380mm (14.96 in.)-dia. 4-blade steel fan, suction type, belt-driven; speed ratio: 1.18
Water Pump.....................Centrifugal type, belt-driven; capacity: 110/min. at 3200 rpm
Thermostat.....................Wax pellet type
Alternator.....................12-volt-35 amp.
Starter Motor..................12-volt-1.8 kW
Starting Aid...................Pencil type preheating glow plug for each cylinder

اطلاعات در مورد موتور sd33 پاترول دیزل

GENERAL

DESIGN FEATURES

STANDARD EQUIPMENT

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