- 6BT Cummins (5.9L) Engines and Long Blocks
- About Component Build Assemblies
- About us
- Advantages of Remanufactured Engines
- Affiliated Diesel Engine Install Partners
- All Engines Models
- Brands
- Cat 3054 Engine
- Cat 3066 Engine
- Cat 3116 Engine
- Cat 3126 Engine
- Cat 3208 Engine
- Cat 3304 Engine
- CAT 3306 Engines
- Cat 3406 Engine
- Cat 3408 Engine
- Cat 3412 Engine
- CAT C10 Engine
- CAT C11 Engines
- Cat C12 Engine
- Cat C13 Engine
- Cat C15 Engine
- CAT C7 Engines
- Caterpillar Engines
- Caterpillar Engines
- Cummins 4B, 4BT Long Block Engine Options
- Cummins 4BT 6BT (5.9) and CAT 3306 Engine Parts and Overhaul Kits
- Cummins 4BT and CAT 3306 Industrial Engines
- Cummins 4BT Engine Jeep Swaps
- Cummins 4BT Engines and Long Blocks
- Cummins 6.7 L Rebuilt Engines
- Cummins 855 Engines
- Cummins Engines
- Cummins Engines
- Cummins ISB 24-Valve (5.9 L) Engines for Sale
- Cummins ISL (8.9 L) Engine Program
- Cummins ISM Engine
- Cummins ISX Engine
- Cummins Manufacturing Locations
- Cummins N14 Engine
- Cummins Power Units
- Cummins QSB Engine and Cummins ISB (4.5 L) Engine Program
- Detroit 60 Series Engine
- Detroit Diesel DD15 Engines For Sale
- Detroit Engines
- Diesel Engine and Parts Warranty
- Extended Warranty Information
- Featured Authors
- Financing a Cummins or CAT Engine
- Home
- HTML Sitemap
- In The News
- International
- International DT466 Engine
- International DT530 Engine
- Isuzu Engines
- Isuzu Power Units
- John Deere 4045 Engine
- John Deere 6068 Engine
- John Deere Engines
- June 2024 Big Bear Engine Co. Merch Giveaway Rules
- Mack Aset Engine
- Mack E-Tech Engine
- Mack E7 Engine
- Mack Engines
- Mack MP7 Engine
- Mack MP8 Engine
- Marine Engines
- Parts and Engine Returns Policy
- Remanufactured Cummins 4BT (3.9), 6BT (5.9) & CAT 3306 Engines
- Replacement Cummins 6CT Engines for Sale
- Request a Quote
- Reviews and Testimonials
- Shipping
- Sitemap
- Terms and Conditions
- Thank You – Buyer’s Guide
- Thank You – Quote Request
- Thank You – Replacement Guide
- Used Cummins 4BT, 6BT (5.9) and CAT 3306 Engines For Sale
- Videos
- Our Diesel Engine Blog
- FAQs
- Contact us
- ADA Compliance
- Privacy Policy
Posts by category
- Category: 4BT Cummins Parts - 4BT Cummins Performance Parts
- What Problems Does The 5.9L Cummins Have?
- VE Pump Versus P-Pump: Inside The Most Popular 4BT and 6BT Cummins Injection Pumps
- How (and Why) the 4BT Cummins Is So Popular
- Best Axles for an Off-Roading Jeep Equipped with a 4BT
- Best Cummins 4BT and 6BT Motor Mounts
- How to Correctly Swap in a Crate Engine
- Best 4BT Swap Transmisson Review: New Venture NV4500
- Category: Best 4BT and 6BT Turbochargers
- Category: Best Off-Road Axles Archives - Big Bear Engine Company
- Category: Blog Resources - Article Resources - Big Bear Engine Company
- Category: CAT 3306 Common Problems
- Category: Caterpillar Engines - Marine Diesel Engines
- Category: Crate Engine Swap Information Archives - Cummins Engine Swap
- Category: Cummins 4BT Information
- How To Test and Service Your Cummins Injectors
- Compression Testing A Cummins Engine
- 4BT Vs. 6BT Cummins: Which Is The Better Swap Candidate?
- Outer Limits: How Much Horsepower Can You Make With The 4BT Cummins?
- Latest 4BT and 6BT Build Cycle
- Skid Steer History and Future Market Share
- How to Properly Research and Buy a Cummins 4BT Crate Engine
- Category: Cummins 5.9 (6BT) Information and History
- Category: Cummins 6CT and ISC 8.3 Information
- Category: Cummins P7100 Injection Pump - Performance P7100 Injection Pump
- Category: Dana 44 vs. Dana 60 Axles - Dana Axle Comparison Archives
- Category: Diesel Engine Aftermarket Parts
- Category: Diesel Engine Buying Tips
- Category: Diesel Engine Modifications - Cummins Modifications
- Category: Diesel Engine Problems & Solutions - Big Bear Engine Company
- Category: Diesel Engine Troubleshooting Articles
- Category: Diesel Engine Upgrades
- Category: Diesel News - Diesel News Around the World
- Category: Industrial Equipment - 4BT Engines
- Category: Latest News On Diesel Engines
- Top 10 CAT 3408 Problems
- Top 10 CAT 3406 Problems
- Top 10 CAT 3304 Problems
- Top 10 CAT 3208 Problems
- Top 10 CAT 3126 Problems
- Top 10 CAT 3116 Problems
- Top 10 CAT 3066 Problems
- Top 10 CAT 3054 Problems
- Top 10 CAT C15 Problems
- Top 10 CAT C13 Problems
- Top 10 CAT C12 Problems
- Top 10 CAT C11 Problems
- Top 10 CAT C10 Problems
- Top 10 CAT C7 Problems
- Cummins 4BT: The Infinitely Versatile, Global Workhorse
- Top 10 ISX15 Cummins Problems
- Top 10 Cummins 6BT Problems
- Top 10 Cummins QSB (and ISB) 4.5L Problems
- Top 10 CAT 3306 Problems
- Top 10 Cummins 855 Problems
- CAT 3054 Production History and Specs
- Top 10 Cummins ISB 24-Valve 5.9L Problems
- CAT 3066 Production History and Specs
- CAT 3126 Production History and Specs
- CAT 3208 Production History and Specs
- CAT 3304 Production History and Specs
- CAT 3306 Production History and Specs
- CAT 3406 Production History and Specs
- Top 10 Cummins QSB (and ISB) 4.5L Problems
- CAT 3408 Production History and Specs
- CAT 3412 Production History and Specs
- CAT C10 Production History and Specs
- CAT C11 Production History and Specs
- CAT C12 Production History and Specs
- CAT C13 Production History and Specs
- CAT C15 Production History and Specs
- CAT C7 Production History and Specs
- Cummins 4BT Production History and Specs
- Cummins 6.7L Production History and Specs
- Top 10 6.7L Cummins Problems
- Cummins 6BT Production History and Specs
- Cummins 6CT Production History and Specs
- Cummins 855 Production History and Specs
- Cummins ISB 24-Valve Production History and Specs
- Cummins ISC (8.3L) Production History and Specs
- Cummins ISL Production History and Specs
- Cummins ISM Production History and Specs
- Top 10 Cummins 4BT Problems
- Cummins N14 Production History and Specs
- Cummins ISX Production History and Specs
- CAT 3116 Production History and Specs
- The History of Diesel Emission Standards
- Beyond the Hood: What Your Ride Reveals About You (and How Others See You)
- Top Performance Parts for the Cummins ISB 5.9L
- Your P-pumped Cummins’ Biggest Fuel System Flaw
- 12-Valve Or 24-Valve—Which Is The Better 5.9L Cummins?
- Modding The P-pump (Beyond The Basics)
- Know Your P7100
- 5 Ways To Bulletproof The 6BT Cummins
- What Are The Symptoms Of A Bad Throttle Position Sensor?
- The Best (And Worst) Light-Duty Diesel Engines for Pickup Trucks
- Driven to Debt: The Automotive Affordability Crisis
- Biodiesel vs. Diesel: What’s the Difference Between The Two?
- Manual Vs. Automatic: Which Transmission Is Best For Off-Roading?
- The Best Truck Modifications You Can Make To Your Pride And Joy
- Natural Gas Generators vs. Diesel Generators
- What Are Glow Plugs and How Do They Work?
- Ways To Get The Most Out Of Your Vehicle’s Towing Capacity
- A Guide to Winterizing Your Diesel Engine
- Maintaining Your Truck for Long-Term Use
- Understanding Diesel Engine Emission Standards
- Understanding the Importance of Fuel Injectors
- Top 15 Essentials Needed For A Successful Diesel Engine Swap
- Know Your 6BT : Key Engine Changes From ’89 – ‘98
- What is a “Bulletproof” Diesel Engine?
- Why Cat C15 Acert Single Turbo Conversions Are So Popular
- The Best (And Worst) Medium-Duty Diesel Engines
- What Is A Cummins QSB Engine?
- The Best (And Worst) Class 8 Diesel Engines
- C15 vs. C18: These Two CATs Are More Similar Than You Think
- Top 10 8.3L Cummins Problems
- Top 10 5.9L Cummins Problems
- Caterpillar 3126 vs. Navistar DT466E
- How (And Why) The Cummins ISX Came To Be
- Why the 8.3L Cummins Is Tougher Than The 5.9L
- The Future Of Diesel Engines
- How To Pick The Right Transmission For Your 4BT Cummins
- Diesel And Hydrogen: The Present-Day Solution For Reducing Emissions
- How To Pick The Right Transmission For Your 5.9L Cummins
- History of The ISL Cummins—And Its Natural Gas Variant, The ISL G
- Top ISX15 Problems
- A Tale Of Two Legends: How The Cummins 855 Big Cam Evolved Into The N14
- 6CT Vs. 6BT: Cummins’ Fully Mechanical, Ultra-Reliable Light And Medium-Duty Siblings
- 4BT Head Gasket Issues—How Common Are They?
- P-pump Swapping The ISB 24-Valve Cummins
- To Shutoff Solenoid Or Not To Shutoff Solenoid: Answering A Common Cummins-Swap Question
- Why Mechanical Diesel Engines Are So Much More Reliable Than Electronic Versions
- How Does A Diesel Engine Work?
- Why Do Diesel Engines Last So Long?
- Why the CAT 3306 Engine is a Mechanic’s Favorite
- Protect Your Investment—Get Some Gauges Before You Turn Up The Fuel
- How to Get More Life from a Cummins Diesel Engine
- Top Off-Roading Trails for 2018-2019
- 15 Off-Roading Tips For Beginners
- Bosch P7100 Fuel Pump Information
- Top 10 Most Popular Colorado Off-Roading Trails
- Map of 85 Best Off-Roading Trails in Colorado
- Golden Years, Golden Opportunities: Retirement Hobbies That Could Earn You Extra Cash
- Why Diversity in STEM Matters and How To Boost Participation in Schools
- Veterans Transportation Career Guide
- Driver Behaviors That Can Damage an Engine
- Financing Options for Transportation Career Education
- Why Change Management Is a Significant Challenge in Heavy Industries
- How Heavy Industries Can Protect Infrastructure and Equipment From Climate Shift
- The Unique Supply Chain Issues Related to Remote Work Locations
- Improving Emergency Response Efforts in Remote Work Locations
- How To Stay Safe Working Night Shifts in a Heavy Industry
- New Business Opportunities in the Booming Outdoor Recreation Industry
- Engineering Adventure: The Best Outdoor Hobbies for Techies and Tinkerers
- Traveling More Sustainably: Ways To Reduce Your Road Trip Carbon Footprint
- 10 Traditional Business Lessons That New Owners Too Often Forget
- The Agropreneurs: How New Startups Are Innovating Agriculture
- Category: Off-Roading Tips
- Category: Shop Pictures
- Category: Trail Information - Trail Riding Tips
- Category: Uncategorized
- On the Road to Sustainability: How Biofuels Can Drive Gains for the Environment
- Behind the Scenes Jobs: 10 Important Careers You Might Not Know About
- 8 Entrepreneurial Opportunities in the U.S. Construction Industry
- Empowering the Workforce: Why Companies Should Support Continued Learning
- 15 High-Paying Jobs That Don’t Require a College Degree
- Escaping the Office: 12 High-Paying Careers for Adventurous Types
- Why Skilled Trades Are on the Rise in the Job Market
- Nearshoring: The Future of Freight




