Caterpillar Flywheel Ring Gears 9Y-6279 and 6I-2997 are essential for engine startup and power transmission. These toothed components mesh with the starter motor’s gear, converting electrical energy into mechanical motion to crank the engine. Their precise tooth profiles ensure smooth engagement, preventing grinding or slippage that could damage both the ring gear and starter—critical for reliable starts in cold weather or after extended downtime.
Constructed from high-strength alloy steel, these ring gears withstand extreme torque, heat, and repeated use in heavy-duty applications like construction, mining, and agriculture. Their durable design resists wear, ensuring long service life even under constant stress from engine vibrations and startup cycles. A well-functioning ring gear also contributes to stable power transfer from the engine to the transmission, enhancing overall machinery performance.
Ningbo Qiuning Trading Co., Ltd., a professional supplier, offers both genuine and aftermarket versions of Caterpillar Flywheel Ring Gears 9Y-6279 and 6I-2997. Our genuine gears are manufactured by Caterpillar to exact specifications, guaranteeing perfect compatibility with your engine model and adherence to strict durability standards. They undergo rigorous testing to ensure consistent performance and resistance to premature wear. For cost-conscious customers, our aftermarket gears are produced by reputable manufacturers, tested to meet industry criteria, providing reliable functionality at a competitive price.
Our team of experts is ready to assist you in choosing between genuine and aftermarket options based on your equipment type, usage intensity, and budget. We prioritize timely delivery and responsive support, ensuring you get the right ring gears when needed.
Don’t let faulty ring gears disrupt startup. Contact us today to inquire about Caterpillar Flywheel Ring Gears 9Y-6279 & 6I-2997—genuine or aftermarket—and keep your machinery starting smoothly.
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CATERPILLAR excavators Excavator series: 312D, 313D, 315D, 318D, 320C, 320CL, 320D, 320DL, 323D, 323DL, 324D 326D, 325C, 325D, 329D, 329DL, 330D, 330C, 330CL, 330DL, 336D, 336DL, 345C, 345CL, 345D, 345DL, 349D, 349DL, 365C, 365CL, 374D, 374DL, 385C, 3 85CL, 390D, 390DL, 305.5, 306, 307, 307C, 307D, 308, 308C, 308D, 305.5E, 306E, 307E, 308E, 305.5E2, 306E2, 307E2, 308E2, 313D2, 318D2, 320D2 323D2, 326D2, 329D2, 330D2, 336D2, 349D2, 374F, 390F.
Caterpillar engine Series: 4M40, C4.2, C6.4, C6.6, C7, C-9, C13, C15, C18, C10, C11, C12, C16, C-16, C-15, C27, C32, C175; 3066, 3056, 3054, 3116, 3126, 3204, 3304, 3306, 3406, 3408, 3412, 3456, 3504, 3508, 3512, 3516, 3606, 3608, 3612, 3616.
Carter engine model C-9, C-10, C-11, C-12, C-13, C-15, C-16, C-18, C0.5, C0.7, C1.1, C1.5, C1.6, C2.2, C3.3, C3.4, C4.4, C6.4, C6.6, C7, C9, C11, C12 C13, C15, C18, C27, C32, C175, C280
Main models D315, D318, D326, D330, D330, D333, D334, D336, D339, D340, D342, D343, D346, D348, D349, D353, D364, D375, D379, D397, D398, D399 1140,1145 1150,1160,1670,1673,1674,1676,1693, 3003,3011,3013,3014,3024,3034,3044,3054,3056,3064,3066, 3114,3116,3126,3145,3150,3160 3176,3181,3196 3204,3208, 3304,3306 3406,3408,3412,3456 3508,3512,3516,3524.
Caterpillar self-propelled motor graders 14M, 16M, 24M, 160K, 140K
Caterpillar iron plates AS2302C, AS2252C, AP555E, AP1055E, AP300
Caterpillar milling machine PM200-2.0m,PM102-Track, PM200-2.2m,PM102-Wheel Caterpillar stabilized soil mixer
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Caterpillar Off-road and mining dump trucks 770G 772G 773G 785G 777G
Caterpillar mining trucks 785D, 789C, 793F, 795FAC, 797F
Caterpillar compilers CP44, CP54, 836H, 826H, CB24
