115-1651 Joint G-Slip Universal Drive Shaft Slip Joint GP Fits CAT Caterpillar Wheel Loader 950G 950H 962G 938K
115-1651 1151651
115-1651 Drive Shaft Assembly Caterpillar 950G Wheel Loader Drive Shaft
Quantity
It is a Heavy-Duty Telescoping Driveshaft Slip Joint Assembly (specifically the Caterpillar OEM #115-1651 / 1151651 Joint Group - Slip).
⚙️ 1. Function
The critical function of this assembly is delivering rotary power while dynamically changing its physical length.
Variable Distance Compensation: On heavy vehicles like articulated wheel loaders, the physical distance between drivetrain components (e.g., the transmission and the axle) constantly changes as the machine bounces over rough rocks or pivots to steer. This shaft automatically expands and contracts to bridge that fluctuating gap.
Continuous Torque Transfer: It maintains uninterrupted, smooth rotation while extending or retracting under massive mechanical pressure.
Axial Shock Absorption: It prevents physical compression forces (shocks pushing inward along the shaft) from crushing the bearings inside the transmission or differential housings.
The critical function of this assembly is delivering rotary power while dynamically changing its physical length.
Variable Distance Compensation: On heavy vehicles like articulated wheel loaders, the physical distance between drivetrain components (e.g., the transmission and the axle) constantly changes as the machine bounces over rough rocks or pivots to steer. This shaft automatically expands and contracts to bridge that fluctuating gap.
Continuous Torque Transfer: It maintains uninterrupted, smooth rotation while extending or retracting under massive mechanical pressure.
Axial Shock Absorption: It prevents physical compression forces (shocks pushing inward along the shaft) from crushing the bearings inside the transmission or differential housings.
📐 2. Structure
Unlike fixed universal joints, this unit features a specialized telescoping slip mechanism integrated with dual joints:
The Internal Splined Slip Shaft (Silver Midsection): A hardened steel shaft cut with precision linear grooves (splines) that slides smoothly inside a matching female sleeve. This allows the linear expansion/contraction.
The Female Splined Sleeve (Yellow Tube): The hollow portion of the shaft that houses the splines, protected by a rubber or metallic dust boot seal to keep grease in and abrasive dirt out.
Dual Universal Joint Ends (Yokes & Spiders): Located at both extremities, these pivot hinges handle the operating angles while the middle section handles the distance variations.
Bearing Strap Caps: Bolted caps at the tips lock the heavy needle bearings over the cross-spiders to withstand tremendous rotational shearing stress.
Unlike fixed universal joints, this unit features a specialized telescoping slip mechanism integrated with dual joints:
The Internal Splined Slip Shaft (Silver Midsection): A hardened steel shaft cut with precision linear grooves (splines) that slides smoothly inside a matching female sleeve. This allows the linear expansion/contraction.
The Female Splined Sleeve (Yellow Tube): The hollow portion of the shaft that houses the splines, protected by a rubber or metallic dust boot seal to keep grease in and abrasive dirt out.
Dual Universal Joint Ends (Yokes & Spiders): Located at both extremities, these pivot hinges handle the operating angles while the middle section handles the distance variations.
Bearing Strap Caps: Bolted caps at the tips lock the heavy needle bearings over the cross-spiders to withstand tremendous rotational shearing stress.
🚜 3. Application
This specific part size and configuration are engineered for high-load drivetrain applications in mid-sized earthmoving machinery:
Primary Machine Integration: It is most widely used across Caterpillar Wheel Loaders, specifically models like the CAT 950G, 950H, 962G, 938K, and 938M series SSP Machinery.
System Placement: It serves as a Main Propeller Shaft Component or Mid-Transmission Drive Line. It connects segmented parts of the drivetrain across articulated chassis joints so power can reach the wheels even when the machine is turning sharply.
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