
Quy50 189-1 Crawler Crane Undercarriage Parts Quy50t Idler
Product Introduction
It is part of our team spirit to offer advice and suggestions for Bulldozer Lower Track Roller, Mini Excavator Top Roller, Mini Excavator Bottom Roller innovation and continuous improvement of product quality and delivery efficiency. Our company's research and development of high-tech products has cultivated a new economic growth point for our company. The products can be designed in a humanized manner according to the diverse demands of customers. We believe that the effective allocation, integration and sharing of various resources and continuously satisfying the diverse needs of customers can truly enhance our company's core competitiveness. We are widely praised in the same industry at home and abroad for its excellent quality, affordable price and high-quality service. Our products sell well all over the world.
Crawler Crane Idler/Idler Assy/Idler Tumbler/Front Idler
It's used to guide the crawler correctly move and prevent deviation. Meanwhile, the idler also act as the lower roller, can increase the land area of the track shoes assy to the ground, reduce the ground pressure ratio.

1, Cross Reference: front idler for crawler crane, idler wheel
2, Mechanical Performance:
Material: 35SiMn
Process: casting
Hardness: surface HRC52-56, internal HRC36-42
Seal: sizeable oil capacity and perfect sealing
Warranty: 12 months
Certification: ISO 9001
3, Advantages
Precision design, Perfect alignment, Good structural support
Exclusive seal groups ensure excellent performance up to -40°C
Applicable to any working condition with longer life and perfect operation
Seal groups provide wear-resistance & anti-rusting properties
Resistance to deformation as well as surface hardening for longer life
4, Production Process

5, Application For The Following Crawler Cranes:
HITACHI | |||||
KH100 | KH100-2/3 | KH125 | KH150 | KH180 | KH300 |
KH500 | KH700 | KH850 | KH1000 | ||
IHI | |||||
CCH250W | CCH280W | CCH500 | DCH700 | DCH800 | CCH800 |
CCH1500E | CCH2500 | ||||
KOBELCO | |||||
CKE600 | CKE800 | CKE900 | CKE1200 | CKE1800 | CKE2500 |
BM500 | BM700 | BM800 | P&H335 | P&H440 | P&H550 |
P&H5035 | P&H5045 | 7035 | 7045 | 7055 | 7065 |
7080 | 7090 | 7100 | 7120 | 7150 | 7200 |
7250 | 7300 | ||||
SUMITOMO | |||||
SC500 | SC500-2 | SC700 | SC2500 | LS78RM | LS108 |
LS118-5 | LS120 | LS218 | LS238 | LS248 | LS368 |
LS468 | SA1700 | ||||
FUWA | |||||
CC40 | QUY35 | QUY50 | QUY50A | QUY50C | QUY55 |
QUY70 | QUY70A | QUY80 | QUY80A | QUY80B | QUY90 |
QUY100 | QUY100A | QUY120 | QUY150 | QUY150A | QUY150C |
QUY250 | QUY320 | QUY400 | QUY400A | QUY500 | QUY650 |
QUY750 | QUY1250 | FWX55 | FWX75 | FWX85 | FWX135 |
FWX8185 | FWX225 | FWX285 | |||
SANY | |||||
SCC500 | SCC600 | SCC750 | SCC800 | SCC1000 | SCC1250 |
SCC1500 | SCC1800 | SCC2600 | SCC4000 | SCC6500 | SCC7500 |
SCC10000 | SCC16000 | ||||
XCMG | |||||
QUY50 | QUY55 | QUY70 | QUY100 | QUY150 | QUY260 |
QUY300 | QUY350 | QUY400 | QUY450 | QUY650 | XGC100 |
XGC130 | XGC150 | XGC650 | |||
ZOOMLION | |||||
QUY50 | QUY70 | QUY80 | QUY100 | QUY180 | QUY260 |
QUY320 | QUY350 | QUY500 | ZCC550 | ZCC550H | ZCC750 |
ZCC750H | ZCC800 | ZCC850 | ZCC850H | ZCC1100 | ZCC1100H |
ZCC1300 | ZCC1300CL | ZCC1800 | ZCC2600 | ZCC3800 | ZCC5000 |
QUY500 | |||||
MANITOWOC | |||||
M250 | M999 | M2250 | M4600 | M18000 | M21000 |
4100WS1 | 4100S | 4600S4 | |||
TEREX DEMAG | |||||
CC1400 | CC1800 | CC2000 | CC2200 | CC2500 | CC2800 |
CC5800 | |||||
Crawler Crane Idler Daily Maintenance:
When idler worn out to extreme dimensions, you can repair by welded, or even replace new idler.
1. Keep the crawler track to the proper tensioning. If too tight, under the force of the idler tensioning spring, it can cause the accelerated wear of idler shaft and bushing, track shoe and its pin, also lead to the pitch of track shoe elongate.
2. Keep the idler alignment. If not, will leads to other undercarriage parts (such as lower roller, upper roller, sprocket, track shoe) abnormal wear.
Our Service
♦ 100% quality assurance, development and manufacturing follow original ones;
♦ One-to-one products factory. Ensure the best quality;
♦ Reasonable inventory and timely delivery;
♦ Rapid response within 24 hours ;
♦ Long-term strong and stable supply capacity;
♦ Goods will Be packed safely and carefully;
♦ The first-class logistics to Ensure the safe arrival of your goods;
♦ Excellent After-sales service. Track usage. Positive feedback response;
Our company has strived to establish a highly efficient and stable staff team and explored an effective quality control process for Quy50 189-1 Crawler Crane Undercarriage Parts Quy50t Idler. We actively develop and efficiently deploy human resources with an emphasis on environmental protection and occupational safety and health. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation.
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