147-1446 Plug for Caterpillar Wheel Loaders 950H 966H & Wheel Tractor-Scrapers 621 623K
The 147-1446 Plug is a 70-pin sealed female electrical wiring connector, a critical signal transmission component for the main control harness of Caterpillar wheel loaders 950H/966H and wheel tractor-scrapers 621/623K. It connects the machine’s electronic control module (ECM) to the wiring harness, ensuring stable communication between the engine, transmission, and hydraulic systems.
Key Features
· OEM-Matched Precision: 70-pin configuration and exact housing dimensions for Cat models—no wiring modification needed.
· Sealed & Durable: PBT+GF housing with IP67-rated sealing; terminal made of brass/phosphor bronze for anti-corrosion and conductivity.
· Wide Temperature Range: Operates at -40°C to 120°C, adapting to extreme working conditions.
· Plug-and-Play Installation: Pre-crimped terminals and locking mechanism for quick, secure fitting; reduces replacement time to 45 minutes.
Compatible Equipment
· Wheel Loaders: Caterpillar 950H, 966H, 966H II, 972H, 980H.
· Wheel Tractor-Scrapers: Caterpillar 621, 623K, 627K, 631K, 633K.
· Track-Type Tractors: D6T, D8T, D9T, D11.
· Interchangeable Part Numbers: 147-1446, 1471446, 147-1446X, 147-1446-001.
Thank you for choosing SPARKLING MACHINERY for your electrical connector needs. The 147-1446 Plug is essential for Caterpillar’s main control harness, ensuring uninterrupted signal transmission and machine safety. Our plugs meet ISO 9001 and Caterpillar OEM standards, backed by a 12-month warranty and technical support for installation and troubleshooting.
The SPARKLING MACHINERY NEW 147-1446 Plug Photo:
Why Choose the SPARKLING 147-1446 Plug?
- OEM-Grade Performance: Matches Cat’s original pin layout and contact resistance (<10mΩ), restoring 99%+ signal integrity.
- Superior Sealing: IP67 rating outperforms generic connectors, preventing short circuits in wet/dusty environments.
- Reduced Downtime: Plug-and-play design cuts replacement time; factory-tested for zero signal loss and secure locking.
- Cost-Effective: 40% lower price than OEM with same quality; reduces electrical system failure rates by 65%.
- Certified Quality: Each unit undergoes 100% continuity and insulation testing; CE/RoHS compliant for global market compatibility.
| PART NUMBER | PART NAME | |
| 1 | 0730.502.079 | RETAINING RING |
| 2 | 4472.354.026 | WASHER |
| 3 | 0630.502.187 | RING |
| 4 | ZTAM-00509A | FORK JOINT |
| 5 | ZTAM-00073 | BEARING |
| 6 | ZTAM-00072 | PLANET GEAR |
| 7 | ZTAM-00070 | SUPPORT |
| 8 | ZTAM-00069 | RING GEAR |
| 9 | ZTAM-00109 | SUPPORT |
| 10 | XKCP-00043 | YOKE-FLANGE |
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
-
📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Sparkling Machinery Co.,Ltd
foreverlucia1
Whatsapp: +8613609010879