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Perkins Marine Heck Drive Engines – Free Workshop Manual

This free workshop manual provides detailed technical information and service instructions for Perkins marine engines with heck-drive systems. It covers maintenance, repair procedures, and essential specifications for mechanics and boat owners working with Perkins marine engines.

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Perkins Engines – Engine Number Guide

This document provides a detailed reference for identifying Perkins engine numbers. It explains the coding system for production year, manufacturing country, and engine family/type codes used across different Perkins plants (Peterborough, Shrewsbury, Stafford). The guide helps users decode serial numbers to determine engine specifications, origin, and year of manufacture.

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Kubota D1503 D1703 D1803 V2203 V2403 Diesel Engines Tightening Torques Manual

This manual contains detailed tightening torque specifications for Kubota diesel engines D1503, D1703, D1803, V2203, and V2403. It provides precise torque values for critical engine components, including the cylinder head, connecting rods, flywheel, rocker arms, and more—essential for correct engine assembly and maintenance.