Aftermarket Mining Parts Built for Uptime
Mining Parts Depot keeps your equipment moving with quality aftermarket parts, fast availability, and tangible value.
Braking Components
Damper and separator and friction discs engineered for maximum torque transfer, precise engagement, and exceptional heat resistance.
Final Drive Components
Final drive components designed to withstand extreme loads, deliver long-term reliability, and minimize your rebuild downtime.
Featured Parts
359-4284: 219.79mm Transmission Steel Planet Gear
The Caterpillar 359-4284: 219.79mm Transmission Steel…
139-7638: 190.36mm Transmission Steel Planet Gear
The Caterpillar 139-7638: 190.36mm Transmission Steel…
254-2328: 300.10mm Outer Diameter Steel Sun Gear
The Caterpillar 254-2328: 300.10mm Outer Diameter…
115-4881: 136.44mm Transmission Steel Planet Gear
The Caterpillar 115-4881: 136.44mm Transmission Steel…
197-2731: 916.20mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2731: 916.20mm Outer Diameter Steel…
197-2732: 990.50mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2732: 990.50mm Outer Diameter Steel…
290-4125: 262.77mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4125: 262.77mm Outer Diameter Steel…
290-4133: 332.99mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4133: 332.99mm Outer Diameter Steel…
290-4140: 190.27mm Transmission Steel Planet Gear
The Caterpillar 290-4140: 190.27mm Transmission Steel…
551-6551: 148.78mm Steel Transmission Planet Gear
The Caterpillar 551-6551: 148.78mm Steel Transmission…
1J378D1F2: Shipper Shaft Crowd Pinion – 4100A
The P&H 1J378D1F2: Shipper Shaft Crowd Pinion fits…
144-3366: 147.43mm Internal Diameter Steel Planet Gear
The Caterpillar 144-3366: 147.43mm Internal Diameter…
197-2729: 820.30mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2729: 820.30mm Outer Diameter Steel…
197-2730: 875.00mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2730: 875.00mm Outer Diameter Steel…
245-3820: 367.17mm Outer Diameter Steel Sun Gear
The Caterpillar 245-3820: 367.17mm Outer Diameter Steel…
256-7177: 333.71mm Outer Diameter Steel Sun Gear
The Caterpillar 256-7177: 333.71mm Outer Diameter Steel…
381-3629: 1066.8mm Outer Diameter Brake Friction Disc
The Caterpillar 381-3629: 1066.8mm Outer Diameter Brake…
379-1822: 144 Teeth Brake Outer Plate
The Caterpillar 379-1822: 144 Teeth Brake Outer Plate…
379-1820: 144 Teeth External Spline Steel Damper
The Caterpillar 379-1820: 144 Teeth External Spline…
383-2735: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 383-2735: 715.3mm Outer Diameter Brake…
9W-7017: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 9W-7017: 715.3mm Outer Diameter Brake…
7D-3013: 144 Teeth External Spline Damper
The Caterpillar 7D-3013: 144 Teeth External Spline…
226-2826: 874.5mm Outer Diameter Brake Friction Disc
The Caterpillar 226-2826: 874.5mm Outer Diameter Brake…
6G-6500: 176 Teeth External Spline Damper
The Caterpillar 6G-6500: 176 Teeth External Spline…
159-7448: 153.91mm Outer Diameter Steel Sun Gear
The Caterpillar 159-7448: 153.91mm Outer Diameter Steel…
2G-6204: 852.42mm Outer Diameter Steel Ring Gear
The Caterpillar 2G-6204: 852.42mm Outer Diameter Steel…
373-2980: 161.26mm Transmission Steel Planet Gear
The Caterpillar 373-2980: 161.26mm Transmission Steel…
359-4284: 219.79mm Transmission Steel Planet Gear
The Caterpillar 359-4284: 219.79mm Transmission Steel…
139-7638: 190.36mm Transmission Steel Planet Gear
The Caterpillar 139-7638: 190.36mm Transmission Steel…
254-2328: 300.10mm Outer Diameter Steel Sun Gear
The Caterpillar 254-2328: 300.10mm Outer Diameter…
115-4881: 136.44mm Transmission Steel Planet Gear
The Caterpillar 115-4881: 136.44mm Transmission Steel…
197-2731: 916.20mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2731: 916.20mm Outer Diameter Steel…
197-2732: 990.50mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2732: 990.50mm Outer Diameter Steel…
290-4125: 262.77mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4125: 262.77mm Outer Diameter Steel…
290-4133: 332.99mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4133: 332.99mm Outer Diameter Steel…
290-4140: 190.27mm Transmission Steel Planet Gear
The Caterpillar 290-4140: 190.27mm Transmission Steel…
551-6551: 148.78mm Steel Transmission Planet Gear
The Caterpillar 551-6551: 148.78mm Steel Transmission…
1J378D1F2: Shipper Shaft Crowd Pinion – 4100A
The P&H 1J378D1F2: Shipper Shaft Crowd Pinion fits…
144-3366: 147.43mm Internal Diameter Steel Planet Gear
The Caterpillar 144-3366: 147.43mm Internal Diameter…
197-2729: 820.30mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2729: 820.30mm Outer Diameter Steel…
197-2730: 875.00mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2730: 875.00mm Outer Diameter Steel…
245-3820: 367.17mm Outer Diameter Steel Sun Gear
The Caterpillar 245-3820: 367.17mm Outer Diameter Steel…
256-7177: 333.71mm Outer Diameter Steel Sun Gear
The Caterpillar 256-7177: 333.71mm Outer Diameter Steel…
381-3629: 1066.8mm Outer Diameter Brake Friction Disc
The Caterpillar 381-3629: 1066.8mm Outer Diameter Brake…
379-1822: 144 Teeth Brake Outer Plate
The Caterpillar 379-1822: 144 Teeth Brake Outer Plate…
379-1820: 144 Teeth External Spline Steel Damper
The Caterpillar 379-1820: 144 Teeth External Spline…
383-2735: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 383-2735: 715.3mm Outer Diameter Brake…
9W-7017: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 9W-7017: 715.3mm Outer Diameter Brake…
7D-3013: 144 Teeth External Spline Damper
The Caterpillar 7D-3013: 144 Teeth External Spline…
226-2826: 874.5mm Outer Diameter Brake Friction Disc
The Caterpillar 226-2826: 874.5mm Outer Diameter Brake…
6G-6500: 176 Teeth External Spline Damper
The Caterpillar 6G-6500: 176 Teeth External Spline…
159-7448: 153.91mm Outer Diameter Steel Sun Gear
The Caterpillar 159-7448: 153.91mm Outer Diameter Steel…
2G-6204: 852.42mm Outer Diameter Steel Ring Gear
The Caterpillar 2G-6204: 852.42mm Outer Diameter Steel…
373-2980: 161.26mm Transmission Steel Planet Gear
The Caterpillar 373-2980: 161.26mm Transmission Steel…
359-4284: 219.79mm Transmission Steel Planet Gear
The Caterpillar 359-4284: 219.79mm Transmission Steel…
139-7638: 190.36mm Transmission Steel Planet Gear
The Caterpillar 139-7638: 190.36mm Transmission Steel…
254-2328: 300.10mm Outer Diameter Steel Sun Gear
The Caterpillar 254-2328: 300.10mm Outer Diameter…
115-4881: 136.44mm Transmission Steel Planet Gear
The Caterpillar 115-4881: 136.44mm Transmission Steel…
197-2731: 916.20mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2731: 916.20mm Outer Diameter Steel…
197-2732: 990.50mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2732: 990.50mm Outer Diameter Steel…
290-4125: 262.77mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4125: 262.77mm Outer Diameter Steel…
290-4133: 332.99mm Outer Diameter Steel Sun Gear
The Caterpillar 290-4133: 332.99mm Outer Diameter Steel…
290-4140: 190.27mm Transmission Steel Planet Gear
The Caterpillar 290-4140: 190.27mm Transmission Steel…
551-6551: 148.78mm Steel Transmission Planet Gear
The Caterpillar 551-6551: 148.78mm Steel Transmission…
1J378D1F2: Shipper Shaft Crowd Pinion – 4100A
The P&H 1J378D1F2: Shipper Shaft Crowd Pinion fits…
144-3366: 147.43mm Internal Diameter Steel Planet Gear
The Caterpillar 144-3366: 147.43mm Internal Diameter…
197-2729: 820.30mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2729: 820.30mm Outer Diameter Steel…
197-2730: 875.00mm Outer Diameter Steel Ring Gear
The Caterpillar 197-2730: 875.00mm Outer Diameter Steel…
245-3820: 367.17mm Outer Diameter Steel Sun Gear
The Caterpillar 245-3820: 367.17mm Outer Diameter Steel…
256-7177: 333.71mm Outer Diameter Steel Sun Gear
The Caterpillar 256-7177: 333.71mm Outer Diameter Steel…
381-3629: 1066.8mm Outer Diameter Brake Friction Disc
The Caterpillar 381-3629: 1066.8mm Outer Diameter Brake…
379-1822: 144 Teeth Brake Outer Plate
The Caterpillar 379-1822: 144 Teeth Brake Outer Plate…
379-1820: 144 Teeth External Spline Steel Damper
The Caterpillar 379-1820: 144 Teeth External Spline…
383-2735: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 383-2735: 715.3mm Outer Diameter Brake…
9W-7017: 715.3mm Outer Diameter Brake Friction Disc
The Caterpillar 9W-7017: 715.3mm Outer Diameter Brake…
7D-3013: 144 Teeth External Spline Damper
The Caterpillar 7D-3013: 144 Teeth External Spline…
226-2826: 874.5mm Outer Diameter Brake Friction Disc
The Caterpillar 226-2826: 874.5mm Outer Diameter Brake…
6G-6500: 176 Teeth External Spline Damper
The Caterpillar 6G-6500: 176 Teeth External Spline…
159-7448: 153.91mm Outer Diameter Steel Sun Gear
The Caterpillar 159-7448: 153.91mm Outer Diameter Steel…
2G-6204: 852.42mm Outer Diameter Steel Ring Gear
The Caterpillar 2G-6204: 852.42mm Outer Diameter Steel…
373-2980: 161.26mm Transmission Steel Planet Gear
The Caterpillar 373-2980: 161.26mm Transmission Steel…
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Our components are precision- engineered for maximum efficiency and to minimize maintenance interruptions.
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Parts when you need them. We’ve streamlined our supply chain to guarantee faster lead times and consistent in-stock availability.
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We use advanced, high-strength alloys designed for extreme environments for exceptional durability and wear resistance.
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About Mining Parts Depot
Mining Parts Depot brings quality, speed, and value to the aftermarket mining parts industry
We support your surface mining equipment, crushing and materials processing, and mobile construction equipment fleets with OEM-quality parts, gears, and solutions.
Mining Parts Depot is part of the Parts Depot LLC family.
