29A-3208 Engine – Generator Set
30A-3208 Engine – Generator Set
8RB-3606 Engine – Generator Set
6MC-3608 Engine – Generator Set
79S-768B Off-highway Truck
99F-769B Off-highway Truck
99F-769 Off-highway Truck
80S-772 Off-highway Truck
66A-D9G Track-type Tractor
64F-641 Wheel Tractor-scraper
33G-651 Wheel Tractor-scraper
31G-657 Wheel Tractor-scraper
64H-666 Wheel Tractor-scraper
19G-657 Wheel Tractor-scraper
20G-666B Wheel Tractor-scraper
20G-666 Wheel Tractor-scraper
46M-657 Wheel Tractor-scraper
41M-641 Wheel Tractor-scraper
44M-651 Wheel Tractor-scraper
Caterpillar 2D1261 Coupling – OEM-Grade Durability for Heavy Equipment Drivetrains
The Caterpillar 2D1261 coupling is a precision-engineered drivetrain component designed for optimal performance and reliability across a wide range of Caterpillar heavy machinery. Compatible with multiple engine-generator sets such as the 29A-3208, 30A-3208, 8RB-3606, and 6MC-3608, as well as off-highway trucks like the 79S-768B, 99F-769B, and 80S-772, this coupling ensures seamless power transmission under demanding load conditions. It also fits various wheel tractor-scraper models including the 64F-641, 33G-651, 31G-657, and 20G-666, as well as track-type tractors like the 66A-D9G. Manufactured with high-grade metallurgy, the 2D1261 coupling offers superior resistance to wear, fatigue, and torsional stress, making it an essential component for maintaining drivetrain integrity and maximizing equipment uptime.
Technically, the 2D1261 coupling features robust dimensions tailored to Caterpillar specifications, ensuring precise fitment and alignment within the drivetrain assembly. Its advanced design minimizes vibration and shock loads, thereby enhancing drivetrain longevity and operational smoothness. The coupling’s material composition includes heat-treated alloy steel, optimized for high torque transmission and resistance to harsh mining and construction environments. This results in improved mechanical efficiency and reduced maintenance intervals, contributing to lower total cost of ownership. Whether used in engine-generator sets or off-highway trucks, the Caterpillar 2D1261 coupling delivers OEM-grade quality and performance critical for heavy-duty applications.
🔗 For detailed specifications and to purchase the Caterpillar 2D1261 coupling, visit Caterpillar 2D1261 Coupling at AllParts Expert.
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