| Category |
Travel Reduction Gear |
| Name |
Sun Gear |
| Parts No |
3503190-0109 |
| Machine Number |
R250LC3 R290LC3 R290LC3H |
| Lead time |
1-3 DAYS |
| Quality |
Brand new, OEM quality |
| MOQ |
1 PCS |
| Means of transport |
By sea/air, DHL FEDEX UPS TNT |
| Packing |
As request or standard packing |
1.Power Initiation: Transmits power from the hydraulic motor to the planetary gear set, starting the torque amplification process. Without a functional sun gear, the gearbox cannot receive or distribute motor power.
2.Torque Foundation: Its tooth count and size determine the gear set’s reduction ratio—directly influencing how much torque is amplified for swing/travel. A properly sized sun gear ensures the excavator has enough force to lift heavy loads or traverse rough terrain.
3.Smooth Operation: Precision-machined teeth ensure quiet, efficient meshing with planet gears, reducing operator fatigue and extending the life of other planetary components (e.g., planet gears, carrier, ring gear).
3-SERIES CRAWLER EXCAVATOR R250LC3 R290LC3 R290LC3H
7-SERIES CRAWLER EXCAVATOR R290LC7
FORESTRY MACHINE 33HDLL R290LC3LL Hyundai
- More other sun gear applied to HYUNDAI heavey machine
| 3929027 GEAR-CRANKSHAFT |
| 100D-7, 33HDLL, H70, H80, HDF35A-2, HDF50A, HL720-3C, HL730-7, HL7303C, HL730TM3C, HL730TM7, HL740-3, HL740-3ATM, HL740-7, HL740-7S, HL740-9B, HL740-9S, HL740-9SB, HL740TM-3, HL740TM-3A, HL740TM-7, HL... |
| |
| 3905427 GEAR-FLYWHEEL RING |
| 100D-7, 110D-7A, 110D-7E, 110D-9, 180DE, 250D-9, 250DE, 33HDLL, 42HDLL, HL17C, HL720-3C, HL730-7, HL730-7A, HL730-9, HL730-9A, HL730-9S, HL730-9SB, HL7303C, HL730TM-9, HL730TM-9A, HL730TM3C, HL730TM7,... |
| |
| 3918776 GEAR-CRANKSHAFT |
| 180DE, 250D-9, 250DE, 42HDLL, HL760, HL760-3, HL760-3ATM, HL760-9S, HL770-7, HL770-7A, HL770-9, HL770-9A, HL770-9S, HX330L, HX380L, HX430L, R290LC3, R290LC7, R300LC9S, R305LC7, R320LC3, R320LC7, R320L... |
| |
| 6333700390 GEAR-SUN(2) |
| R290LC, R290LC3, R290LC3H, R290LC3LL, R320LC, R320LC3 |
| |
| 6343700363 GEAR-PLANET(1) |
| R290LC, R290LC3, R290LC3H, R290LC3LL, R320LC, R320LC3 |
| |
| 718156 GEAR PUMP |
| R290LC3H |
| |
| HHI28-WP04 GEAR-RING(2) |
| R290LC3H, R320LC3 |
| |
| HHI28-WP05 GEAR-PLANETARY(2) |
| R290LC3H, R320LC3 |
| |
| HHI28-WP06-2 GEAR-SUN(2) |
| R290LC3H, R320LC3 |
| |
| HHI28-WP07 GEAR-RING(1) |
| R290LC3H, R320LC3 |
| |
| HHI28-WP08 GEAR-PLANETARY(1) |
| R290LC3H, R320LC3 |
| |
| HHI28-WP09-2 GEAR-SUN(1) |
| R290LC3H, R320LC3 |
| |
| 3523170-0045 GEAR-RING |
| 33HDLL, R250LC3, R290LC3, R290LC3H, R290LC3LL, R290LC7, R360LC3 |
| |
| 3931379 GEAR-FUEL PUMP |
| R290LC7 |
| |
| 3918777 GEAR-CAMSHAFT |
| 42HDLL, HL760-3, HL760-3ATM, HL760-9S, R290LC3, R290LC3LL, R290LC7, R300LC9S, R305LC7, R320LC7, R330LC9S |
| |
| XJCK-00125 GEAR-RING |
| R290LC7, R320LC7 |
| |
| XKAQ-00444 GEAR-RING |
| R290LC7, R290LC7A, R300LC7, R305LC7, R320LC7, R320LC7A, RD340LC-7 |
| |
| XKAQ-00442 GEAR-SUN,1 |
| R290LC7, R290LC7A, R300LC7, R305LC7, R320LC7, R320LC7A, RD340LC-7 |
| |
| XKAQ-00439 GEAR-PLANET,1 |
| R290LC7, R290LC7A, R300LC7, R305LC7, R320LC7, R320LC7A, RD340LC-7 |
| |
| XKAQ-00436 GEAR-SUN,2 |
| R290LC7, R290LC7A, R300LC7, R305LC7, R320LC7, R320LC7A, RD340LC-7 |
| |
| XKAQ-00431 GEAR-PLANET,2 |
| R290LC7, R290LC7A, R300LC7, R305LC7, R320LC7, R320LC7A, RD340LC-7 |
| |
| XKAQ-00013 GEAR-PINION |
| R290LC7, R290LC7A, R290LC7H, R300LC7, R305LC7 |
| Pos. |
Part No |
Qty |
Parts name |
Comments |
| N*-2. |
3550D-01A |
[1] |
T/REDUCTION GEAR |
|
| N*-2. |
3550D-01B |
[1] |
T/REDUCTION GEAR |
|
| N*-2. |
3550D-01C |
[1] |
T/REDUCTION GEAR |
|
| 1 |
3523170-0045 |
[1] |
GEAR-RING |
|
| 2 |
3523310-0160 |
[1] |
HOUSING |
|
| 4 |
3523150-0334 |
[1] |
COVER-SIDE |
|
| 4 |
3523150-0488 |
[1] |
COVER-SIDE |
|
| 5 |
3524120-0052 |
[1] |
CARRIER-NO1 |
|
| 6 |
3524120-0057 |
[1] |
CARRIER-NO2 |
|
| 6 |
3524120-0085 |
[1] |
CARRIER-NO2 |
|
| 9 |
3503190-0109 |
[1] |
GEAR-SUN,NO1 |
|
| 10 |
3503190-0110 |
[1] |
GEAR-SUN,NO2 |
|
| 11 |
3503190-0143 |
[1] |
GEAR-SUN,NO3 |
|
| 12 |
3503190-0117 |
[2] |
GEAR-PLANE,NO1 |
|
| 13 |
3503190-0113 |
[3] |
GEAR-PLANE,NO2 |
|
| 14 |
3503190-0141 |
[4] |
GEAR-PLANE,NO3 |
|
| 16 |
3503540-0126 |
[3] |
PIN-NO2 |
|
| 16 |
3503540-0288 |
[3] |
PIN-NO2 |
|
| 17 |
3503540-0122 |
[4] |
PIN-NO3 |
|
| 18 |
3524750-0190 |
[2] |
PLATE-SIDE |
|
| 18 |
3524750-0370 |
[2] |
PLATE-SIDE |
|
| 19 |
3524750-0179 |
[6] |
PLATE-SIDE |
|
| 20 |
3524750-0219 |
[8] |
PLATE-SIDE |
|
| 21 |
PKT507028 |
[2] |
CAGE-NEEDLE |
|
| 22 |
PKT506532X |
[3] |
CAGE-NEEDLE |
|
| 23 |
PBN506006HSCX |
[4] |
CAGE-NEEDLE |
|
| 24 |
P1R455028 |
[2] |
RING-INNER |
|
| 25 |
3503370-0241 |
[4] |
BUSHING |
|
| 26 |
35050BAA-024 |
[1] |
RING-THRUST |
|
| 26 |
35050BAA-024 |
[2] |
RING-THRUST |
|
| 27 |
3503160-0105 |
[1] |
RING-THRUST |
|
| 29 |
OSBM16100 |
[28] |
SCREW-HEX |
|
| 30 |
OSBM820 |
[12] |
SCREW-HEX SOC HD |
|
| 32 |
OBP12 |
[3] |
PLUG |
|
| 33 |
PAC6037 |
[2] |
BEARING |
|
| K034. |
P353 |
[1] |
SEAL |
|
| N035. |
3526330-0017 |
[1] |
SHIM |
NOT USED |
| N035. |
3526330F0028 |
[1] |
SHIM(2.5T) |
|
| N035. |
3526330G0028 |
[1] |
SHIM(2.65T) |
|
| N035. |
3526330H0028 |
[1] |
SHIM(2.7T) |
|
| 36 |
OSPV425 |
[3] |
PIN-SPRING |
|
| 36 |
OSPV625 |
[3] |
PIN-SPRING |
|
| 37 |
ORR42 |
[4] |
RING-SNAP |
|
| 42 |
35050BAA-042A |
[1] |
SHIM(0.5T) |
|
| 42 |
35050BAA-042B |
[1] |
SHIM(1.0T) |
|
| 44 |
OSR45 |
[2] |
RING-SNAP |
|
| 45 |
PWR95 |
[1] |
CLIP |
|
| 46 |
PWR130 |
[1] |
CLIP |
|
| 47 |
PSR300 |
[1] |
RING-SNAP |
|
| 48 |
OSR40 |
[1] |
RING-SNAP |
|
| K081. |
PCPP323 |
[1] |
O-RING |
|
| K082. |
PCPP378 |
[1] |
O-RING |
|
| S. |
3521120-0031 |
[1] |
CARRIER SUB-NO1 |
|
| S. |
3521120-0053 |
[1] |
CARRIER SUB-NO1 |
|
| S. |
3521120-0033 |
[1] |
CARRIER SUB-NO2 |
|
| S. |
3521120-0062 |
[1] |
CARRIER SUB-NO2 |
|
| K. |
3502255-0134 |
[1] |
SEAL KIT(034,081,082) |
|
- We could supply the following spare parts
1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.
2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.
3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.
4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.
5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.
6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.
Packing Details :
inner packing : plastic film for wrapping
external packing : wooden
Shipping :
within 3 days after received the payment , by air or by express or by sea on the basis of the
quantity and emergency circumstances.
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,
2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.
3. By Sea: Delivery from the Huangpu port .
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