Tatan Isuzu 6RB1 6RB1T Diesel Engine Assembly for Hitachi EX400 EX450 Excavator

The Isuzu 6RB1 Diesel Engine Assembly (OEM Part No. 6RB1 / 6RB1T / 1-11110-896-0) by Tatan belongs to our heavy-duty Diesel Engine Assembly category. Engineered specifically for Hitachi EX400-3, EX400-5, EX450-5, and EX400LC-5 40-to-45 ton heavy mining excavators, this massive 13.7L 6-cylinder mechanical injection engine delivers extreme digging torque, structural durability, and low operating costs under severe quarrying and mining operations.

Need an Instant Quote for Isuzu 6RB1 Diesel Engine Assembly?

Contact Senior Parts Specialist Gavin directly:

💬 WhatsApp:

Chat with Gavin on WhatsApp

✉️ Email:

[email protected]

Key Product Highlights:

  • Product Category & Model: Diesel Engine Assembly | Isuzu 6RB1 / 6RB1T 13.7L 6-Cylinder Heavy Engine.
  • Machine Fitment: Compatible with Hitachi EX400-3, EX400-5, EX450-5, EX400LC-5, Sumitomo SH400, and Kato HD1800 excavators.
  • OEM Part Number Reference: Direct replacement for Isuzu OEM part numbers 6RB1, 6RB1T, 1-11110-896-0, and 8-97148-527-0.
  • 100% Dyno Tested: Full engine dynamometer performance, fuel injection pressure, and cooling test report provided before dispatch.
  • Factory Direct Wholesale Price: Cut middleman markup and save up to 40% on complete heavy mining excavator engine replacement.
  • No Minimum Order Quantity (MOQ 1 PC): Available for single workshop replacement orders or bulk equipment fleet replenishment.
  • 100% Fitment Guarantee: Free engine serial number and flywheel housing verification by Gavin before shipping.

Description

Isuzu 6RB1 Diesel Engine Assembly Overview

The Isuzu 6RB1 Diesel Engine Assembly (OEM Part Numbers: 6RB1, 6RB1T, 1-11110-896-0, 8-97148-527-0) manufactured by Tatan is a 13.741L 6-cylinder turbocharged water-cooled heavy-duty engine belonging to our Diesel Engine Assembly classification. Engineered specifically for Hitachi EX400-3, EX400-5, EX450-5, and Sumitomo SH400 40-to-45 ton mining excavators, replacing your worn engine with a Tatan complete 6RB1 assembly eliminates machine downtime, excessive blow-by, and severe hydraulic power loss instantly.

Built strictly according to original OEM specifications, this complete engine assembly comes pre-assembled with mechanical Zexel PE fuel injection pump, turbocharger, starter motor, and alternator, ensuring 100% direct bolt-on fitment with hydraulic pump couplings and mounting brackets.

⚠️ Technical Verification Notice: Isuzu 6RB1 engines have minor variations in flywheel housing bolt patterns, starter angles, and oil pan sumps depending on machine applications (Hitachi EX400 vs. Sumitomo SH400 vs. Kato HD1800). Please send your original engine nameplate photo or serial number to Gavin for free verification before ordering.

Key Attributes & Parameters for Isuzu 6RB1 Diesel Engine Assembly

Product CategoryDiesel Engine AssemblyWarranty1 Year / 12 Months
Specific Engine ModelIsuzu 6RB1 / 6RB1T EngineBrand NameTatan
Compatible EquipmentHitachi EX400-5 | EX450-5OEM Part Number6RB1 / 1-11110-896-0
Engine Displacement13.741 Liters (13740 cc / 13.7L)Cylinder Arrangement6 Cylinders Inline (I-6) 4-Stroke
Horsepower & RPM220-280 kW (300-380 HP) @ 1800-2100Cooling SystemWater-Cooled / Liquid Cooled
Fuel Injection SystemDirect Injection Mechanical PE PumpAspiration TypeTurbocharged & Charge Air Intercooled
Machinery Test ReportProvided (100% Dyno Tested)Video Outgoing-InspectionProvided Before Shipping
Quality Status100% Brand New EnginePackagingExport Wooden Box Packaging

Supported Machinery Brands & Engine Parts Coverage

In addition to Isuzu, Tatan manufactures replacement complete diesel engines and overhaul components for leading machinery brands:

Tatan Compatible Excavator Machinery Brands Display Isuzu Yanmar Cummins Perkins Kubota Caterpillar

Application Scenarios & Buyer Value

When upgrading or replacing your 40-to-45 ton mining excavator engine with our Isuzu 6RB1 Diesel Engine Assembly, buyers achieve maximum operational uptime and power efficiency:

Application ScenarioValue Delivered to Buyer
Hitachi EX400-5 / EX450-5 Engine SwapComplete engine swap cuts machine repair downtime by up to 70% compared to internal rebuilding.
Excavator Overhaul WorkshopsEliminates tedious line-boring, sleeve honing, and crank fitting; saves mechanic labor hours.
Engine Distributors & StockistsHigh-demand 13.7L mining excavator engine ready for immediate resale to plant hire fleets and mining networks.
Rental Fleet MaintenanceExtends 40-to-45 ton excavator working lifespan and restores full digging hydraulic torque under load.

Isuzu 6RB1 Diesel Engine Assembly OEM Diagnostic Guide

Use this OEM manual diagnostic guide to troubleshoot operational engine symptoms on your 40-ton mining excavator:

Engine SymptomTechnical Cause AnalysisTatan Factory-Grade Solution
1. Hard cold starting & dense white smokeMechanical Zexel/PE injection pump timing retarded or low compression (<2.8 MPa) in 6 cylinders due to 135mm piston ring wear.Adjust mechanical PE pump timing or replace with Tatan complete 6RB1 engine assembly.
2. Severe power loss & dense black smoke under digging loadTurbocharger wastegate failure leading to low boost (<1.2 bar) or fuel injection pump governor spring fatigue.Inspect turbocharger boost pressure or swap to a Tatan factory pre-tested 6RB1 engine assembly.
3. High engine oil consumption & heavy crankcase blow-byScored 13.7L cylinder liners, stuck oil rings, or valve stem seal wear allowing engine oil into combustion chambers.Install Tatan new 6RB1 complete engine; flush engine oil gallery and replace oil filter.
4. Engine overheating & coolant surge into expansion tankWater pump impeller erosion, clogged radiator core, or cylinder head gasket leaking combustion gas into cooling jacket.Replace thermostat (82°C), flush cooling system, or swap to a new 6RB1 complete engine assembly.

Transport Packaging & Fast Global Shipping

To ensure 100% damage-free international transport, every Tatan Isuzu 6RB1 engine assembly undergoes anti-rust oiling, waterproof plastic sealing, and solid export wooden box packaging.

Global shipping supported by multiple logistics companies DHL FedEx UPS Sea Air Freight

✈️ Express Air Courier

Partnered with DHL, FedEx, UPS, and TNT for express door-to-door delivery worldwide.

🚢 Sea Cargo Freight

LCL and FCL ocean container shipping for heavy engine assemblies and bulk orders.

📦 Export Wooden Cases

Fumigated solid wooden boxes with thick shockproof foam lining for maximum safety.

Quality Control & International Certificates

Tatan diesel engines are manufactured under ISO 9001 quality management systems and strictly comply with CE safety standards.

Tatan Quality Assurance ISO9001 CE Qualification Certificates

Isuzu 6RB1 Engine FAQ & Related Categories

Q1: Is this Isuzu 6RB1 Diesel Engine Assembly compatible with Hitachi EX400-5 and EX450-5 excavators?
A: Yes. The Isuzu 6RB1 / 6RB1T engine is the standard OEM engine for Hitachi EX400-3, EX400-5, EX450-5, and Sumitomo SH400 excavators. Send your original engine nameplate photo to Gavin for precise flywheel housing verification.
Q2: Does the engine assembly include the Zexel PE fuel injection pump and turbocharger?
A: Yes. Tatan complete engine assemblies come pre-assembled with mechanical fuel injection pump, fuel injectors, turbocharger, starter motor, and alternator ready for installation.
Q3: What are the primary OEM part numbers for the Isuzu 6RB1 engine?
A: Common OEM reference numbers include 6RB1, 6RB1T, 1-11110-896-0, 1-11110-947-0, and 8-97148-527-0.

Get Wholesale Factory Quote for Isuzu 6RB1 Diesel Engine Assembly

Looking for direct factory pricing, stock availability, or technical advice for Isuzu 6RB1 engines? Contact senior engineer Gavin now!

💡 Fast Quote: Send your engine serial number or nameplate photos for a 100% accurate match within 10 minutes!

* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.

Reviews

There are no reviews yet.

Be the first to review “Tatan Isuzu 6RB1 6RB1T Diesel Engine Assembly for Hitachi EX400 EX450 Excavator”

Your email address will not be published. Required fields are marked *