| Parameter | Specification |
|---|---|
| Product Name | Caterpillar Wiring Harness / Engine or Machine Interconnect Harness |
| Primary Part Number | 267-7964 (2677964) 275-6846 |
| Brand | COGENG (Premium Aftermarket Replacement) |
| Condition | Brand New, 100% Continuity & Dielectric Withstand Tested |
| Compatible Equipment | Caterpillar Equipment — Exact Model Verification Required |
| Harness Type | Wiring Harness — Engine or Machine Interconnect (Application Dependent) |
| Wire Insulation | Cross-Linked Polyethylene (XLPE) with PTFE Overwrap in High-Temperature Zones; SAE J1128 Type SXL/GXL; Rated -40°C to +125°C |
| Connector Systems | Deutsch DT, Deutsch DTM, Deutsch HD30, Ampseal 16, Integrated ECM/Controller Connectors with Gold-Plated Terminals |
| Protective Sheathing | High-Temperature Corrugated Nylon Split-Loom Conduit; Self-Fusing Silicone Tape at All Branch Junctions; Adhesive-Lined Dual-Wall Heat Shrink Boots at All Connector Backshells |
| Voltage Rating | 24V DC System (12V Applications Possible) |
| Environmental Sealing | IP67 Rated Mated Connectors with Silicone Interfacial Seals, Peripheral Gaskets, and Cavity Plugs in All Unused Positions |
| Chemical & Abrasion Resistance | Resistant to Diesel Fuel, Engine Oil, Hydraulic Fluid, Engine Coolant, and Commercial Degreasing Solvents; Exceeds SAE J1128 Abrasion Standards |
| Quality Assurance | 100% Automated Pin-to-Pin Continuity Mapping Against OEM Schematic; Dielectric Withstand Test; Computer-Monitored Crimp Force Recording; 10x Magnification Visual Inspection |
| Certification | ISO 9001 Certified Manufacturing Facility |
| Place of Origin | Guangdong, China |
| Supply Capacity | 300 Pieces per Month |
| Shipping Weight | Approx. 3.0 – 5.0 kg (Configuration Dependent) |
| Package Dimensions | 60 x 48 x 18 cm (Coiled and Flat-Packed in Protective Carton) |
| Packing | Inner: PP Bag with Anti-Static Protection; Outer: Heavy-Duty Export-Grade Corrugated Carton Box with Custom-Cut Protective Foam |
| Payment Terms | Western Union, L/C, T/T, MoneyGram, D/A, D/P |
| Shipping Mode | By Air, By Sea, By Express (FedEx, UPS, DHL, TNT) |
| Minimum Order Quantity | Acceptable Trial Order — Single Unit Orders Welcome |
| Return Policy | Non-Returnable / Non-Exchangeable (Comprehensive DOA Guarantee Included) |
The COGENG Wiring Harness, part number 267-7964 (2677964), is a precision-manufactured electrical distribution harness engineered as a direct replacement for Caterpillar equipment applications. This harness serves as a critical electrical infrastructure component, providing the protected pathways for power distribution, sensor signal transmission, and control command delivery between the machine's Electronic Control Module (ECM) or controller and the various engine, hydraulic, and machine system components it governs.
Compatibility Verification Required: Unlike other Caterpillar harness part numbers where the specific machine application is clearly documented, the 267-7964 is listed as a Caterpillar wiring harness, but the exact machine models it fits are not definitively identified in the available sources. It may be an engine harness, a chassis harness, or a specialized sub-harness for a specific machine configuration.
Caterpillar equipment equipped with the 267-7964 harness could span a range of heavy equipment applications, including hydraulic excavators, wheel loaders, track-type tractors, motor graders, and industrial power units. The harness is the central nervous system of the machine's electronic control architecture, carrying precision analog signals from pressure, temperature, and position sensors; high-frequency digital pulse trains from speed and position sensors; high-current PWM drive signals for fuel injectors, solenoid valves, and actuators; and the bidirectional CAN bus data link that facilitates real-time communication between the engine ECM and the machine's other control modules.
The operating environment for a wiring harness in heavy construction and industrial equipment is exceptionally severe. The harness is exposed to continuous high-amplitude vibration from the diesel engine, extreme thermal cycling from cold starts to sustained operating temperatures exceeding 100°C, potential contact with hot engine oil, diesel fuel, coolant, and exhaust gases, and the constant assault of abrasive dust, mud, and moisture. High-pressure water jetting during routine machine cleaning adds further stress. The failure modes of the OEM harness are well-documented: heat-induced insulation embrittlement and cracking, moisture ingress causing copper corrosion and increased circuit resistance, fretting corrosion at connector pins causing intermittent signal loss, and chafing damage at frame contact points causing short circuits.
COGENG's 267-7964 aftermarket harness is engineered to overcome these failures using premium XLPE-insulated wire rated for 125°C continuous operation, multi-layer thermal shielding in exhaust-proximate zones, self-fusing silicone tape at every branch junction for permanent waterproof sealing, and precision-machined gold-plated connector contacts to prevent fretting corrosion. Every terminal is solid-barrel and crimped using computer-monitored presses for a guaranteed gas-tight connection. The harness is built on a precision OEM jig for guaranteed drop-in fit.
The exact machine models compatible with the 267-7964 harness are not definitively identified in available sources. Compatibility verification is mandatory.
| Brand | Typical Model Applications | Equipment Type |
|---|---|---|
| Caterpillar | Model Verification Required | Excavators, Wheel Loaders, Dozers, Graders, Industrial Engines |
Note: To confirm exact compatibility, please provide your machine's complete PIN, engine serial number (ESN), and a photo of your existing harness identification label and connector face.
Complete Wiring Harness Assembly (1 unit): Fully assembled, jig-built harness with all connectors, terminals, protective conduit sheathing, thermal shielding layers, factory-positioned P-clips, and identification labels pre-installed.
Integrated ECM/Controller Connector Assembly: The primary connector body with all gold-plated terminals, silicone interfacial seal, and adhesive-lined heat shrink strain relief boot pre-installed.
All Sensor and Actuator Connectors: Every branch is pre-terminated with the correct solid-barrel contacts, silicone wire seals, and plastic cavity plugs in unused positions.
High-Current Power and Ground Terminals: Heavy-gauge power cables terminated with tin-plated, closed-barrel copper ring terminals, each sealed with dual-wall adhesive-lined heat shrink.
PP Bag Inner Packing and Export Carton: The harness is sealed in a PP bag with anti-static protection and flat-packed in a rigid, double-wall corrugated carton with custom-cut protective foam and "Do Not Cut — Electrical Harness Inside" labels.
Exact Model Verification is Mandatory: The 267-7964 is a Caterpillar wiring harness, but the specific machine application is not definitively documented in available sources. Providing your complete machine PIN and a photo of your existing harness label is essential for our technical team to verify compatibility.
Harness Section Unknown: It is not confirmed whether this is an engine harness, chassis harness, cab harness, or a specialized sub-harness. The harness section must be verified before ordering.
Visual Comparison Recommended: Before ordering, we strongly recommend comparing your existing harness identification label and connector face with our product photos. Our technical team can provide a side-by-side comparison to confirm compatibility.
Related Part Numbers: The 267-7964 may be related to or supersede other Caterpillar harness part numbers. Our technical team can cross-reference your machine's parts catalog to confirm the correct current-revision part number.
Professional Installation Required: Installing a wiring harness requires routing through tight engine bay clearances, around hot exhaust components, and proper securing at all mounting points. Installation should be performed by a qualified heavy equipment technician with access to Caterpillar Electronic Technician (ET) diagnostic software.
Note: This is a summarized procedural guide. Always follow the Caterpillar service manual for your specific equipment.
Step 1: Safety Lockout and Documentation
Disconnect negative (-) and positive (+) battery cables. Photograph every aspect of the existing harness routing, documenting all P-clip locations, routing around the exhaust manifold and turbocharger, and all connector orientations.
Step 2: Old Harness Systematic Removal
Label every connector with numbered wire tags as it is disconnected. Disconnect all sensors and actuators. Disconnect power cables from alternator and starter. Cut zip ties, release P-clips, and carefully extract the old harness.
Step 3: New Harness Visual Comparison
Uncoil the new COGENG harness beside the old harness. Compare ECM connector, branch lengths, connector types, and ring terminal diameters. Verify every match before proceeding.
Step 4: New Harness Routing and Connection
Route harness following photographic reference. Secure loosely at all P-clip locations. Connect ECM connector first. Systematically reconnect all sensor and actuator branches. Install and torque all power ring terminals to OEM specifications. Tighten all P-clips. Install new high-temperature zip ties. Verify adequate clearance from exhaust, turbo, and all moving components.
Step 5: Power-Up and Full Functional Test
Reconnect batteries. Connect Caterpillar Electronic Technician (ET). Verify no active diagnostic trouble codes. Start engine and verify immediate oil pressure. Monitor all parameters. Warm to operating temperature. Cycle all functions. Confirm zero fault codes after complete test.
| Detail | Description |
|---|---|
| Shipping Methods | By Air: Cost-effective for medium-weight orders. By Sea: Most economical for bulk orders. By Express (FedEx, UPS, DHL, TNT): Fastest door-to-door service for machine-down emergencies. |
| Estimated Delivery Time | Express: 3-5 business days. Air Freight: 8-15 days. Sea Freight: 30-45 days. Transit times are carrier-dependent. Tracking provided within one business day of dispatch. |
| Packing | Inner: PP bag with anti-static protection. Outer: Heavy-duty export-grade corrugated carton box with custom-cut protective foam. |
| Payment Terms | Western Union, L/C, T/T, MoneyGram, D/A, D/P. Standard terms: 30% T/T deposit, 70% balance before shipment. |
| Minimum Order Quantity | Acceptable Trial Order — Single unit orders welcomed. |
| Policy Point | Terms |
|---|---|
| Merchant Return Policy | All sales are final. No returns or exchanges. A wiring harness cannot be restocked once departed from our controlled environment. |
| DOA Quality Guarantee | Full replacement for manufacturing defects reported within 7 days of delivery. Harness must be in original, uninstalled condition. |
| Pre-Shipment Confirmation | We send high-resolution photos of your exact harness for written approval before dispatch. |
Q1: What machine does the 267-7964 harness fit?
A: The exact machine application is not definitively documented in available sources. Please provide your machine's complete PIN and a photo of your existing harness label so our technical team can verify compatibility before ordering.
Q2: What are the symptoms of a failing harness?
A: Common symptoms include multiple unrelated fault codes appearing simultaneously, intermittent engine derate or shutdown, erratic sensor readings, visible chafing or melted insulation, green corrosion at connector backshells, and a successful "wiggle test" where manipulating the harness causes sensor values to drop out.
Q3: Is this the complete machine harness or just the engine harness?
A: The harness section (engine, chassis, cab, or sub-harness) is not confirmed. Please verify the specific harness section you are replacing before ordering.
Q4: Do you accept trial orders for a single unit?
A: Yes, absolutely. We welcome trial orders for single units from first-time customers.
Q5: What certifications does COGENG hold?
A: COGENG is an ISO 9001 certified manufacturer.
For pricing, machine-down emergency support, trial orders, bulk quantity discounts, or pre-purchase compatibility verification, contact your COGENG supplier today.
Sales Price: Contact COGENG sales customer service directly for the most current competitive pricing. Trial orders welcome.
Shipping Method & Cost: We will quote the optimal shipping solution based on your location and urgency.
Estimated Delivery Time: Based on the selected carrier. Tracking provided within one business day of dispatch.
✅ Caterpillar Wiring Harness — 267-7964.
✅ Exact Model Verification Required Before Ordering.
✅ ISO 9001 Certified — 100% Continuity Tested, 300 Pieces Monthly Supply.
✅ Trial Orders Welcome — Single Unit Orders Accepted.
✅ In Stock & Ready to Ship — Minimize Equipment Downtime.
Critical Action: To ensure 100% compatibility, please provide your machine's complete PIN, engine serial number (ESN), and a clear photo of your existing harness label and ECM connector face. Our technical team will cross-reference your configuration and provide written confirmation before you order.
Merchant Return Policy: All products shipped are not returnable or exchangeable. Please complete all compatibility checks before purchase.
*shipping Details Return Sales*
Sales price:
Please contact COGENG sales customer service for specific prices.
Shipping method:
The specific arrangement will be based on the cargo situation.
Estimated delivery time:
It is based on the shipping time of the logistics company, and the arrival time shown shall prevail.
Contact details are at the bottom.
MerchantReturnPolicy:
The products shipped are not returnable or exchangeable.
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