Category: Cummins

TORQUE SPECS FOR CUMMINS ISC, QSC, ISL, & QSL

April 10, 2023

CYLINDER HEAD PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (CAPS FUEL SYSTEM) N/A 1. 50 N•M [ 37 FT-LB ] 2. 148 N•M [ 109 FT-LB ] 3. 148 N•M [ 109 FT-LB ] 4. ADVANCE 90 DEGREES. CYLINDER HEAD CAPSCREWS (COMMON RAIL FUEL SYSTEM) N/A 1. 50 N•M [ 37 FT-LB ] 2. 150 N•M [ 111 FT-LB ] 3. LOOSEN ALL CAPSCREWS 4. 115 N•M [ 85 FT-LB ] 5. 115 N•M [ 85 FT-LB ] 6. ADVANCE 120 DEGREES. CYLINDER HEAD CAPSCREWS (CYLINDER BLOCK SERIAL NUMBERS: 9826882 & HIGHER) N/A 1. 50…
Read More

Torque Specs For The Cummins KTA19

April 7, 2023

CYLINDER HEAD PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] SHINEY CHROME HEAD BOLT 170MM [6¾ IN] 1. 65 N•M [ 48 FT-LB ] 2. 160 N•M [ 118 FT-LB ] 3. 250 N•M [ 184 FT-LB ] 4. 345 N•M [ 254 FT-LB ] BLACK HEAD BOLT 170 MM [6¾ IN] 1. 65 N•M [ 48 FT-LB ] 2. 200 N•M [ 148 FT-LB ] 3. 340 N•M [ 251 FT-LB ] 4. 490 N•M [ 361 FT-LB ] ZINC PHOSPHATE GRAY HEAD BOLT 203 MM [8 IN] 1. 65 N•M [ 48 FT-LB ] 2. 200 N•M…
Read More

Torque Specs For Cummins 6CTA

April 5, 2023

CYLINDER HEAD POST 1991 ( New Capscrews) PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS) N/A 95 N•M [ 70 FT-LB ] PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS) N/A 145 N•M [ 107 FT-LB ]   PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS EXHAUST SIDE) N/A 105 N•M [ 77 FT-LB ] PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS INTAKE…
Read More

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

March 27, 2023

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 four cylinder engine, capscrew number 1 is located in between cylinders 2 and 3. The numbered sequence is the same as a six cylinder, but stops at capscrew number 18.   PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (6-CYLINDER ENGINE ALL CAPSCREWS) N/A 90 N•M [ 66 FT-LB ] CYLINDER HEAD CAPSCREWS (4-CYLINDER ENGINE, LONG CAPSCREWS NUMBERS 4, 5, 12, & 13) N/A 120 N•M [ 89 FT-LB…
Read More

Cummins Marine Engine

Cummins Engines By Series

March 17, 2023

  Cummins is a leading manufacturer of diesel and natural gas engines for various industries, including transportation, construction, agriculture, marine, and power generation. The company has produced several engine series, including the B, C, L, M, N, X, and K series. Here's a comparison of each series:   Cummins B Series: Engine size: 3.9L to 6.7L Year started: 1984 Applications: light-duty trucks, buses, construction equipment, marine, and agriculture Features: 4-cylinder and 6-cylinder configurations, turbocharged, electronically controlled fuel injection Cummins C Series: Engine size: 8.3L  Year started: 1985 Applications: medium-duty trucks, buses, construction equipment, marine, and power generation Features: 6-cylinder configuration,…
Read More

Cummins Engine Won't Start

What to Do When Your Cummins Engine Won’t Start: Troubleshooting Tips & Solutions

March 9, 2023

Introduction: Overview of Common Cummins Engine Starting Issues Cummins engines are some of the most reliable and durable engines on the market. However, like any engine, they can suffer from various starting issues. Some of the most common Cummins engine starting problems include fuel delivery issues, faulty wiring, and worn out parts. In this guide, we will discuss these and other common Cummins engine starting issues and how to troubleshoot and fix them. Step-by-Step Guide to Diagnosing & Fixing Your Cummins Engine Starting Problems Step 1: Diagnose the Electrical System  The first step in diagnosing and fixing a Cummins engine…
Read More