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Perkins 404D-22 Engine

The Perkins 404D-22 is a four-cycle vertical four-cylinder indirect injection naturally aspriated liqiud-cooled diesel engine from 400 series. A 135 cubic inches (2.2 L) engine has a cylinder bore of 3.31" (84 mm), piston stroke of 3.94" (100 mm), and rated power of 51 Hp (38 kW) at 3000 rpm. The compression ratio is 23.3:1. The Perkins 404D-22 engine is equipped with a cassette fuel injection pump, air cleaner with dry element, forced lubrication system, and starting system with electric starter. The operating weight is 405 lbs (184 kg).

General Technical Data

Engine Specifications

Engine Model ............... Perkins 404D-22
Engine Type ............... 4-cycle vertical liquid-cooled diesel
Number of Cylinders ............... 4
Cylinder Arrangement ............... In-line
Engine Bore, in (mm) ............... 3.31 (84.0)
Engine Stroke, in (mm) ............... 3.94 (100.0)
Displacement, cu.in (L) ............... 135 (2.22)
Aspiration Type ............... Naturally aspriated
Rated Engine Power, hp (kW) ............... 51.0 (38.0)
Rated Engine Speed, rpm ............... 3000
Compression Ratio ............... 23.3:1
Firing Order ............... 1-3-4-2
Lubrication System ............... Forced with gear pump
Oil Filter Type ............... Spin-on full flow
Cooling System ............... Liquid-cooled
Air Cleaner Type ............... Dry element
Starting System ............... Electric Starter
Electrical System Rating, Volts ............... 12
Charging System ............... Alternator

Fuel System

Fuel System ............... Indirect injection
Injection Pump Type ............... Cassette
Governor Type ............... Mechnical
Fuel Filter Type ............... Paper element
Fuel Type ............... Diesel Fuel

Dimensions and Weight

Overall Length, in (mm) ............... 26.0 (660)
Overall Width, in (mm) ............... 18.3 (465)
Overall Height, in (mm) ............... 26.6 (675)
Net Weight, lbs (kg) ............... 405 (184)

Maintenance Data

Cylinder and Valves

Cylinder Bore Inside Diameter (Max), in (mm) ............... 3.315 (84.20)
Cylinder Head (Max Out of Flatness), in (mm) ............... 0.0011 (0.03)
Intake Valve Clearance, in (mm) ............... 0.008 (0.20)
Exhaust Valve Clearance, in (mm) ............... 0.008 (0.20)

Engine Oil and Coolant

Engine Oil Type (Summer) .................. SAE 10W-30, 15W-40
Engine Oil Type (Winter) ......................... SAE 5W-30
API Service Classifications ......................... CE, CF, CF-4, CG-4, CH-4
Engine Oil Capacity, qts (L) .................. 11.2 (10.6)
Coolant Capacity (Engine), qts (L) ............... 3.8 (3.6)

Service Specifications

Cylinder Block

Cylinder Bore Inside Diameter (Std), in (mm) ............... 3.3071-3.3078 (84.000-84.019)
Cylinder Bore Inside Diameter (Wear Limit), in (mm) ............... 3.315 (84.20)
Connecting Rod Bearing Journal Diameter, in (mm) ............... 2.0458-2.0463 (51.964-51.975)
Connecting Rod Bearing to Bearing Journal Clearance, in (mm) ............... 0.0014-0.0034 (0.035-0.085)
Main Bearing Journal Diameter, in (mm) ............... 2.6755-2.6759 (67.957-67.970)
Main Bearing to Bearing Journal Clearance, in (mm) ............... 0.0017-0.0040 (0.044-0.102)
Crankshaft End Play, in (mm) ............... 0.040-1.0118 (0.1-0.3)
Crankshaft Thrust Washer Thickness, in (mm) ............... 0.1161-0.1181 (2.95-3.00)
Piston Skirt Outside Diameter, in (mm) ............... 3.3050-3.3056 (83.948-83.963)
Piston Pin Outside Diameter, in (mm) ............... 1.1021-1.1024 (27.994-28.000)
Piston to Cylinder Bore Clearance, in (mm) ............... 0.0015-0.0028 (0.038-0.072)
Piston Pin Bore to Piston Pin Clearance, in (mm) ............... 0.0004 (0.011)
Top Ring Side Clearance, in (mm) ............... 0.0028-0.0043 (0.07-0.11)
Second Ring Side Clearance, in (mm) ............... 0.0016-0.0032 (0.04-0.08)
Oil Ring Side Clearance, in (mm) ............... 0.0008-0.0024 (0.02-0.06)
Top Ring End Gap, in (mm) ............... 0.0079-0.0138 (0.20-0.35)
Second Ring End Gap, in (mm) ............... 0.0079-0.0157 (0.20-0.40)
Oil Ring End Gap, in (mm) ............... 0.0098-0.0197 (0.25-0.50)

Cylinder Head and Valves

Cylinder Head Flatness, in (mm) ............... 0.0011-0.0020 (0.03-0.05)
Intake Valve Clearance (Cold), in (mm) ............... 0.008 (0.20)
Exhaust Valve Clearance (Cold), in (mm) ............... 0.008 (0.20)
Intake Valve Seat Angle, deg ............... 45
Exhaust Valve Seat Angle, deg ............... 45
Intake Valve Stem Outside Diameter, in (mm) ............... 0.2738-0.2744 (6.955-6.970)
Exhaust Valve Stem Outside Diameter, in (mm) ............... 0.2732-0.2736 (6.940-6.950)
Intake Valve Guide To Valve Stem Clearance, in (mm) ............... 0.0012-0.0024 (0.025-0.052)
Exhaust Valve Guide To Valve Stem Clearance, in (mm) ............... 0.002-0.003 (0.050-0.075)
Intake Valve Head Thickness, in (mm) ............... 0.0364-0.0423 (0.925-1.075)
Exhaust Valve Head Thickness, in (mm) ............... 0.0364-0.0423 (0.925-1.075)
Intake Valve Seat Width, deg ............... 0.0591-0.0790 (1.50-2.00)
Exhaust Valve Seat Width, deg ............... 0.0764-0.0850 (1.94-2.16)
Intake Valve Spring Free Length, in (mm) ............... 1.378 (35.0)
Exhaust Valve Spring Free Length, in (mm) ............... 1.378 (35.0)
Intake Cam Height, in (mm) ............... 1.3564-1.3585 (34.453-34.507)
Exhaust Cam Height, in (mm) ............... 1.3564-1.3585 (34.453-34.507)

Tightening Torque Specs

Cylinder head bolts, Nm (lb-ft) ............... 101 (75)
Crankshaft bearing bolts, Nm (lb-ft) ............... 52 (38.3)
Crankshaft retaining bolts, Nm (lb-ft) ............... 52 (38.3)
Crankshaft pulley bolts, Nm (lb-ft) ............... 304 (224)
Connecting rod nuts, Nm (lb-ft) ............... 52 (38.3)
Flywheel bolts, Nm (lb-ft) ............... 74 (54.5)
Fuel injection pump mounting nuts, Nm (lb-ft) ............... 15 (11)
Delivery valve holder, Nm (lb-ft) ............... 42 (31)
Fuel injectors, Nm (lb-ft) ............... 64 (47)
Fuel priming pump bolts, Nm (lb-ft) ............... 6 (4.4)
Valve mechanism cover bolts, Nm (lb-ft) ............... 10 (7.3)
Exhaust manifold bolts, Nm (lb-ft) ............... 25 (18.4)
Oil relief valve, Nm (lb-ft) ............... 64 (47)
Oil drain plug, Nm (lb-ft) ............... 35 (25.8)
Oil pressure switch, Nm (lb-ft) ............... 11 (8)
Fan drive pulley bolts, Nm (lb-ft) ............... 11 (8)
Fuel shut-off solenoid, Nm (lb-ft) ............... 17 (13)
Glow plug, Nm (lb-ft) ............... 18 (13)

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• Perkins Engines Specifications
  
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• Perkins 403D-15 Specs
  
• Perkins 404D-15 Specs
  
• Perkins 404D-22T Specs
  

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