Category: Cummins B Series

Valve Adjustment Procedure for the QSB 6.7 Marine Cummins Engine

October 2, 2024

Valve Adjustment Procedure for the QSB 6.7 Marine Cummins Engine Follow these steps to adjust the valves on your 6.7 Cummins marine engine: Step 1: Prepare the Engine Ensure the engine is cool. Valve adjustments should be performed on a cold engine to ensure accurate measurements. Disconnect the battery to prevent accidental starts while working. Remove any obstructions, such as intake hoses or piping, to access the valve cover. Step 2: Remove the Valve Cover Using the appropriate tools, carefully remove the valve cover to expose the rocker arms, valve stems, and pushrods. Inspect the valve cover gasket for wear…
Read More

Exploring the Key Specs of 5.9 Marine Cummins Engines

October 2, 2024

Exploring the Key Specs of 5.9 Marine Cummins Engines The 5.9 Cummins engine is a well-regarded powerplant known for its reliability, durability, and efficient performance. In marine applications, this engine has gained popularity for its ability to provide reliable power for vessels ranging from fishing boats to yachts. Originally designed for industrial and automotive use, the 5.9 Cummins engine has been adapted for the marine environment, where it continues to excel in providing robust, fuel-efficient power. In this article, we will explore the key specifications of the 5.9 Marine Cummins engine, examine its unique features, and explain why it's an…
Read More

The Versatility of 4BT Cummins Engines: Specs and Applications

October 2, 2024

Introducing The Cummins 4BT The 4BT Cummins engine is one of the most versatile and dependable diesel engines in the industry. Known for its compact design, power output, and reliability, the 4BT has found applications in various industries such as marine, agriculture, construction, and custom vehicle conversions. With its balance of fuel efficiency, power, and simplicity, the 4BT has become a favorite among operators who need a durable engine for a wide range of uses. In this article, we’ll take an in-depth look at the specifications and applications of the 4BT Cummins engine, explaining why it’s so versatile and widely…
Read More

4BT Cummins Specs: A Detailed Overview

October 2, 2024

Introducing The Cummins 4BT The Cummins 4BT is one of the most versatile and dependable diesel engines on the market. With its compact design, robust performance, and wide range of applications, the 4BT has been a popular choice for industries ranging from marine to industrial, agriculture, and even off-road enthusiasts. Whether you're using it in a piece of heavy machinery or converting it into a custom vehicle, understanding the detailed specifications of the Cummins 4BT is essential for maximizing its performance and longevity. In this article, we’ll provide a comprehensive overview of the Cummins 4BT engine specs, its key features,…
Read More

Cummins Marine Engine Component Lifetime By Engine Model For Small Fleets

September 20, 2024

Why This Matters to Small Fleets with Cummins Engines Small fleets, such as fishing charters, small tugboat operations, commercial fishing vessels, tourism live-aboard dive boats, and small workboats, rely heavily on their engines to keep their businesses running smoothly. For these operators, maintaining reliable and efficient engines is critical, as unexpected downtime can significantly impact revenue and operations. Unlike large industrial fleets, small fleets typically operate between 1,000 to 2,500 hours per year, making their maintenance schedules slightly less intense but still crucial. This guide provides detailed maintenance intervals for Cummins engines, specifically tailored to the needs of small fleets.…
Read More

TORQUE SPECS FOR CUMMINS B3.9, B4.5, B4.5 RGT & 5.9L

March 27, 2023

Cummins B3.9, B4.5, B4.5 RGT, and 5.9L Torque Specs: Essential Information for Maintenance The Cummins B3.9, B4.5, B4.5 RGT, and 5.9L engines are renowned for their efficiency and reliability across various industries. Whether used in industrial machinery, agricultural equipment, or commercial vehicles, maintaining these engines requires precise torque specifications for optimal performance. In this guide, we provide the crucial torque specs to ensure your Cummins engines operate smoothly and deliver long-term reliability. Cylinder Head PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (4-CYLINDER ENGINE ALL CAPSCREWS) N/A 90 N•M [ 66 FT-LB ] NOTE: On a…
Read More