Perkins 804C Engine Specifications Perkins 804C Engine Parts

Perkins 804C-33 Specifications for Rebuilding

Non-Turbo Indirect Injected

Compression Ratio 22:1

Intake Valve Lash Clearance 0.25MM or .010 Inch

Exhaust Valve Lash Clearance 0.25MM or .010 Inch

Head Bolt Tightening Torque 83 to 91 Ft Lbs

To view or print the head bolt tightening sequence click here.

Connecting Rod Nut Tightening Torque Value 36 - 44 Ft Lbs

Main Bearing Cap Bolts Tightening Torque Value 72 - 80 Ft Lbs

Main Bearing Oil Clearance 0.050-0.110MM or 0.0020-0.0043 Inch

Main Bearing Oil Clearance Limit 0.200MM or 0.0079 Inch

Connecting Rod Bearing Oil Clearance 0.030-0.090MM or 0.0012-0.0035 Inch

Connecting Rod Bearing Oil Clearance Limit 0.200MM or 0.0079 Inch

Piston Pin to Piston Pin Bushing Clearance 0.020-0.051MM or 0.0008-0.0020 Inch

Piston Pin to Piston Pin Bushing Clearance Limit 0.080MM or 0.0031 Inch

Piston to Cylinder Wall Clearance 0.045-0.055MM or 0.00177-0.00216 Inch

Standard Cylinder Bore 94.000-94.035MM or 3.7008-3.7022 Inch

Standard Cylinder Bore Limit 94.700MM or 3.7283 Inch

0.25MM or .010 Inch Oversize Cylinder Bore 94.250-94.285MM or 3.7106-3.7120 Inch

0.25MM or .010 Inch Oversize Limit 94.950MM or 3.7383 Inch

0.50MM or .020 Inch Oversize Cylinder Bore 94.500-94.535MM or 3.7205-3.7218 Inch

0.50MM or .020 Inch Oversize Limit 95.200 MM or 3.7483 Inch

Piston Ring End Gap 0.30-0.50MM or 0.0118-0.0197 Inch

Piston Ring End Gap Limit 1.50MM or 0.0591 Inch

Standard Piston Diameter 93.955-93.985MM or 3.6990-3.7002 Inch

Standard Piston Diameter Limit 93.770MM or 3.6917 Inch

0.25MM or .010 Inch Oversize Piston Diameter 94.205-94.235MM or 3.7089-3.7100 Inch
0.25MM or .010 Inch Oversize Piston Diameter Limit 94.020MM or 3.7016 Inch

0.50MM or .020 Inch Oversize Piston Diameter 94.455-94.485MM or 3.7187-3.7199 Inch
0.50MM or .020 Inch Oversize Piston Diameter Limit 94.270MM or 3.7114 Inch

Standard Rod Bearing Journal 57.955-57.970MM or 2.2817-2.2823 Inch
0.25MM or .010 Inch Undersize Rod Bearing Journal 57.705-57.720MM or 2.2718-2.2724 Inch
0.50MM or .020 Inch Undersize Rod Bearing Journal 57.455-57.470MM or 2.2620-2.2626 Inch
0.75MM or .030 Inch Undersize Rod Bearing Journal 57.205-57.220MM or 2.2522-2.2528 Inch
1.00MM or .040 Inch Undersize Rod Bearing Journal 56.955-56.970MM or 2.2422-2.2428 Inch

Standard Main Bearing Journal 77.955-77.970MM or 3.0691-3.0697 Inch

0.25MM or .010 Inch Undersize Main Bearing Journal 77.705-77.720MM or 3.0592-3.0598 Inch

0.50MM or .020 Inch Undersize Main Bearing Journal 77.455-77.470MM or 3.0494-3.0500 Inch

0.75MM or .030 Inch Undersize Main Bearing Journal 77.205-77.220MM or 3.0396-3.0402 Inch

1.00MM or .040 Inch Undersize Main Bearing Journal 76.955-76.970MM or 3.0296-3.0302 Inch

Contact for Perkins 804C-33 engine parts:

Email: EngineParts@HeavyEquipmentRestorationParts.com
Alternate email: EngineParts2@gmail.com
Phone: 269 673 1638