Overview
Kobelco is a long-standing industrial brand from Japan that has focused on construction machinery for decades, owning full independent R&D and complete whole-machine production capacity. The brand launches a full lineup of mature crawler crane series with finely sorted, all-inclusive model specifications. Its crawler cranes cover a broad tonnage range spanning 50 tons all the way up to 800 tons to fit every kind of job site.
Whether clients need gear lifting inside small workshops, municipal infrastructure builds, wind tower erection, large bridge projects or heavy machinery positioning, Kobelco has matching machine models, all paired with self-developed high-strength undercarriage structures. These machines stand out among competitors for reliable durability and steady running performance on all construction sites.

Popular Kobelco Crawler Crane Series and Models
| Series | Models |
| CK Series | CK800, CK850, CK850-II, CK850-III, CK850G, CK850-2F, CK900, CK1000, CK1000-II, CK1000-III, CK1000G, CK1100, CK1100G, CK1600, CK1600-II, CK2000, CK2000-II, CK2500, CK2500-II, CK2750, CK2750G, CKS600, CKS800, CKS900 |
| CKS Series | CKS1100, CKS1350, CKS2500 |
| CKE Series | CKE600, CKE700, CKE800, CKE800G, CKE800G-2. CKE800-1F, CKE850, CKE900, CKE1000, CKE1100, CKE1200, CKE1350, CKE1350-1F, CKE1800, CKE1800-1F, CKE2500, CKE2500-II, CKE2500G, CKE4000C |
| CKL Series | CKL1000I, CKL1350I, CKL1500, CKL2600 |
| P&H Series | P&H60P, P&H70P, P&H75P, P&H85P-60C, P&H100P, P&H315, P&H320, P&H325, P&H330, P&H335, P&H335AS, P&H345, P&H440, P&H550A, P&H550-1, P&H550-2, P&H550S, P&H550.S2 |
| Other Series | 5035, 5045, 5055, 5080, 5100, 5170, 7035, 7045, 7050, 7055, 7055-1, 7055-2, 7055-3F, 7065, 7065-2, 7070, 7080, 7080-2, 7090, 7100, 7120, 7120-1F, 7150, 7200, 7250, 7250S, 7250-2, 7250-2F, 7300, FS80, FS90, SL4500, SL6000, TK550, SK1600D |
Kobelco Crawler Crane Adaptation Scenario
| Series | Features | Adaptation Scenario |
| CK SeriesCK90UR-3 CK120UR-3 | Ultra-narrow body with extremely low ground pressure, preventing sinking on soft ground. Ultra-small turning radius, enabling 360° rotation indoors and inside tunnels. Lightweight complete machine, transportable by single truck without track disassembly. | Narrow urban construction sites, indoor equipment hoisting, underground pipe gallery & tunnel construction, bridge maintenance, rail transit supporting projects, landscape engineering, basement infrastructure |
| BM/BMSBM500 BMS800 BMS1000 | The track shoes and track rollers are thickened and quenched for superior resistance to abrasion from sand, stones and mud.Equipped with a high-tensile main winch as standard.Featuring a compact body design, it integrates dual functions of hoisting and underground deep excavation. | Building foundation construction, underground mine hoisting, port bulk material handling, steel structure installation for small and medium-sized factories |
| SL SeriesSL4500GSL6000GSL13000 | Heavy-duty reinforced undercarriage, no deformation during long-distance heavy-load traveling.Superlift configuration boosts rated lifting capacity, suitable for hoisting wind turbine towers over 100 meters. | Onshore large-scale wind turbine installation, cross-river/sea long-span bridge construction, heavy equipment positioning for petrochemical and nuclear power projects, large factory steel structure erection, and core tube hoisting for super high-rise buildings |
Common Reasons to Replace Kobelco Crane Undercarriage Parts
Kobelco crawler cranes work on heavy-duty projects such as infrastructure and wind power. Undercarriage parts constantly carry pressure from the machine’s own weight and lifting loads. Harsh job sites filled with sand, gravel and mud further speed up wear on these parts.
1 Normal Wear and Tear
Machines travel long hours over ground covered with crushed rock and mud. Debris seeps into gaps between track shoes, bottom rollers and other components. These particles grind against undercarriage parts during operation, speed up wear and hurt the crawler crane’s overall performance.
2 Seal Failure and Oil Leakage from Roller
Floating seals on bottom rollers, top rollers and idlers wear and crack. Mud and sand work their way inside, pushing lubricant out. Wheels lose proper lubrication and run dry. This creates strange noise, stiff rotation and even full lockup. Locked rollers keep scraping track links. Delayed replacement leads to damage along the entire track assembly.
3 Cracking & Deformation Caused by Severe Impact
The crane moves quickly across uneven ground during lifting work, and the track undercarriage takes heavy impact. Track shoes develop cracks or even break. Impacts idlers and bottom rollers. The track drifts and slips off easily, which creates serious safety risks. Operators must replace all damaged undercarriage parts.

Kobelco Crawler Crane Undercarriage System and Selection Guidance
1 OEM Standards
All parts follow original Kobelco specifications. They fit directly on your machines without extra modification and maintain perfect compatibility with the whole undercarriage.
2 Excellent Impact Resistance and Wear Resistance
Undercarriage parts face constant heavy loads, impacts and abrasive rock and sand. Heat treatment and surface hardening deliver solid toughness and wear performance. These features slow down abrasion and extend service life under harsh site conditions.
3 Timely Delivery
Reliable supply enables fast order dispatch. Shorter waiting periods effectively cut downtime losses on construction projects.
4 Comprehensive After-Sales Support
Buyers gain consistent technical guidance after purchase. Queries about installation, application and product issues receive swift responses, and relevant matters get proper resolution for a worry-free experience.
Conclusion
Kobelco crawler cranes deliver consistent performance and serve numerous heavy-lift projects including infrastructure and wind power. Machines operate on rough sites where load impact and abrasive rock and sand wear undercarriage components continuously. Operators can lower failure risks and cut downtime losses by choosing quality undercarriage parts meeting OEM standards with professional heat treatment, alongside regular inspections and timely replacements. This approach unlocks full machine capacity and supports steady progress on all lifting assignments.


