Detroit Diesel Series 53 Straight-4 4-53 engine DIY maintenance and service manual

General Information

Detroit Diesel Series 53 Straight-4 4-53 is an 212 in³ (3.47 L) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 3.875 in × 4.5 in (9.842 cm × 11.43 cm), and uses 17:1 compression. This engine was rated 118 hp (87.99 kW) at 2800 rpm and 263 lbf⋅ft (356.58 N⋅m) of torque at 1500 rpm. It was used in Chevrolet, GMC, and Detroit Diesel cars.

Engine Performance Rating

SAE J1995 (SAE Gross)

Detroit Diesel Series 53 Straight-4 4-53 engine performance rating according to SAE J1995 (SAE Gross) standard.
Parameter	Output
Power Rating	130 hp (96.94 kW) at 2800 RPM
Torque Rating	367.43 N⋅m271 lbf⋅ft271 lbf⋅ft at 1500 RPM

SAE J1349 (SAE Net)

Detroit Diesel Series 53 Straight-4 4-53 engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	118 hp (87.99 kW) at 2800 RPM
Torque Rating	356.58 N⋅m263 lbf⋅ft263 lbf⋅ft at 1500 RPM

Specifications

General

Detroit Diesel Series 53 Straight-4 4-53 engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Diesel
Cylinder Configuration	Inline 4
Engine Displacement	3.47 L212 in³212 in³
Bore	9.842 cm3.875 in3.875 in
Stroke	11.43 cm4.5 in4.5 in
Compression Ratio	17:1
Curb Weight	545.67 kg1203 lb1203 lb
Curb Idle Speed	450 RPMs

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Block, crankshaft and pistons

Detroit Diesel Series 53 Straight-4 4-53 engine block, crankshaft and pistons specifications.
Parameter	Value
Block Material	Cast iron
Crankshaft Material	Drop-forged steel
Piston Material	Trunk-Arma steel; tin plated; dished head, full skirt
Piston Pin Material	Hardened chrome alloy steel; full floating
Connecting Rod Material	Drop-forged steel; I-beam section

Engine head and valvetrain

Detroit Diesel Series 53 Straight-4 4-53 engine head and valvetrain specifications.
Parameter	Value
Head Material	Cast iron
Valvetrain Type	OHV
Valves per Cylinder	2
Camshaft Material	SAE 1024 steel; driven by helical gear from crankshaft

Air Intake

Detroit Diesel Series 53 Straight-4 4-53 air intake specifications.
Parameter	Value
Air Intake Method	Supercharger Positive Displacement Roots Type Blower

Fuel Injection

Detroit Diesel Series 53 Straight-4 4-53 fuel injection specifications.
Parameter	Value
Injection Type	Multi Point
Injection Info	2 vane roots blower, 8.7" hg at 2800 rpm, 450 cfm at 2800 rpm, ratio blower to engine speed is 2.49:1, mechanical fuel pump 55-70 psi at 2500-2800 rpm

Oil Pump

Detroit Diesel Series 53 Straight-4 4-53 oil pump specifications.
Parameter	Value
Oil Pump	Spur-gear type
Oil Pump Pressure	3.4 atm.50 Psi50 Psi
Oil Pump Capacity	71.92 lpm15.82 UK gpm19 US gpm at 2800 RPM

Water Pump

Detroit Diesel Series 53 Straight-4 4-53 water pump specifications.
Parameter	Value
Water Pump	Centrifugal
Water Pump Capacity	189.25 lpm41.63 UK gpm50 US gpm at 2800 RPM