242-9980 GEAR for CAT 770/772

Parameter	Description
Part Number	242-9980
Product Name	Gear
Brand	Caterpillar
Product Type	Transmission Gear
Material	Hardened alloy steel
Strength & Performance	Ensures stable gear engagement under heavy load
Function / Installation Position	Transmission assembly
Operating Conditions	Mining truck operation
Compatible Models	770, 772, 772G
Weight	7.8 kg
Packaging	Industrial packaging
Lead Time	30–90 days
Shipping Method	Sea / Air
Payment Method	USD / RMB / Ruble
Warranty	6 months

Features & Benefits

• 27 Teeth Planetary Gear – Designed for use in the planetary gear set of Caterpillar final drives.
• Final Drive Application – Works as a key gear within the planetary reduction system to transmit and manage drivetrain torque.
• 27 Spur Gear Teeth – Caterpillar specifies 27 spur gear teeth for precise engagement with mating planetary components.
• Low Alloy Steel Construction – Provides the strength required for high-load drivetrain applications.
• Engineered Gear Metallurgy – Cat final-drive gears are designed with appropriate metallurgy, heat treatment, tooth profile and surface finishing for system durability.
• Reliable Torque Transmission – Supports consistent power transfer within the final drive under demanding operating conditions.
• Heavy-Duty Design – Suitable for off-highway trucks working under high loads and frequent operating cycles.
• Factory-Engineered Fit – Designed specifically for compatible Caterpillar final-drive configurations.

Compatible Machine

The 242-9980 27 Teeth Planetary Gear is officially compatible with:

• CAT 770 Off-Highway Truck
• CAT 772 Off-Highway Truck
• CAT 770G
• CAT 772G
• CAT 771D
• CAT 772G OEM
• CAT 770G OEM
• CAT 769C
• CAT 769D

For the requested CAT 770 and 772 applications, compatibility is confirmed by Caterpillar. Machine serial number and configuration should still be verified before ordering.

Applications

• Mining
• Quarry
• Construction
• Heavy Earthmoving
• Large Infrastructure Projects

The 242-9980 is particularly suitable for final-drive repair and drivetrain overhaul on heavy-duty off-highway and quarry trucks.

Why Choose YLCM?

• 20+ Years Experience – Professional experience in construction and mining machinery parts.
• Large Warehouse – Wide range of gears, bearings, final-drive and drivetrain components.
• Fast Delivery – Efficient sourcing and order processing for urgent replacement requirements.
• Genuine & OEM Parts – Genuine, OEM and quality replacement solutions available.
• Export to 60+ Countries – Supporting customers across international machinery markets.
• Professional Technical Support – Assistance with part-number identification and machine compatibility.

Packaging

YLCM provides secure export packaging suitable for heavy drivetrain components. Packaging may include standard export cartons, heavy-duty wooden cases, shockproof protection, moisture-proof protection and secure fixation to help prevent damage during international transportation.

Shipping

Available logistics solutions include:

• Sea Freight
• Railway Transportation
• Land Transportation
• Multimodal Logistics Solutions

The most suitable transportation method can be arranged according to order quantity, destination and delivery requirements.

FAQ

Q1: What is 242-9980?
A: 242-9980 is a Caterpillar 27 Teeth Planetary Gear used in the planetary gear set of final drives.

Q2: Which machines use 242-9980?
A: Caterpillar lists CAT 770, 772, 770G, 772G, 771D and several other related truck configurations.

Q3: How many teeth does 242-9980 have?
A: The gear has 27 spur gear teeth, according to Caterpillar.

Q4: What material is 242-9980 made from?
A: Caterpillar specifies Steel, with the material specification also identifying Low Alloy Steel.

Q5: Where is 242-9980 used?
A: It is used in planetary gear sets of Caterpillar final drives.

Q6: Is 242-9980 suitable for final-drive repair?
A: Yes. Caterpillar identifies it as a final-drive planetary gear designed for the specific drivetrain application.

Q7: Can YLCM verify compatibility?
A: Yes. Send us the machine model, serial number and existing part number, and our technical team can help verify the correct gear.

Q8: How can I request a quotation?
A: Send the part number, machine model, quantity and destination. YLCM can provide compatibility confirmation, quotation, lead time, packaging and logistics information.

Request a Quote

Looking for 242-9980 27 Teeth Planetary Gear for CAT 770 or 772? Send YLCM your part number, machine model, serial number, quantity and destination. Our team can help verify compatibility and provide pricing, lead time, packaging and global shipping solutions.