Machine models
Cat 518 Cable, 518 Grapple, and 528 specifications
| Listing-entry count |
|---|
| 3 |
Short answer
Cat 518 Cable, 518 Grapple, and 528: skidders.
| Configuration | Documented field and quantity |
|---|---|
| 518 Cable |
|
| 518 Grapple |
|
| 528 |
|
| Publisher name | Source guide | Listing-entry count | Labels named by the source |
|---|---|---|---|
| Cat | 518 Cable, 518 Grapple, and 528 | 3 | 518 Cable, 518 Grapple, and 528 |
| Specification | 518 Cable | 518 Grapple | 528 |
|---|---|---|---|
| Overall Length | 18.77 ft | 18.25 in | 22.74 in |
| Overall Width | 8.67 ft | 8.67 ft | 9.59 ft |
| Height To Top Of Cab | 9.55 ft | 9.55 ft | 9.59 ft |
| Ground Clearance | 1.55 ft | 1.55 ft | 2.01 ft |
| Wheelbase | 10.67 ft | 10.67 ft | 10.67 ft |
| Drum Diameter | 10.04 in | 10.04 in | 10.04 in |
| Max Line Pull - Bare Drum | 26,363 lb | 26,363 lb | 38,189 lb |
| Max Line Speed | 301.84 ft/min | 301.84 ft/min | 229.66 ft/min |
| Drum Capacity At Cable Width | 249.35 ft | 249.35 ft | 173.89 ft |
| Cable Width | 0.63 in | 0.63 in | 0.75 in |
| Blade Width | 7.09 ft | 7.09 ft | 7.52 ft |
| Specification | 518 Grapple | 528 |
|---|---|---|
| Reach Of Grapple At Ground Level | 8.59 ft | 9.76 ft |
| Tong Opening At Tips | 6.84 ft | 8.67 ft |
| Grapple Capacity - Tongs Tip To Tip | 7.54 ft2 | 12.92 ft2 |
| Specification | 518 Cable | 518 Grapple | 528 |
|---|---|---|---|
| Gross Power | 130 hp | 130 hp | 174.4 hp |
| Displacement | 427.2 cu in | 427.2 cu in | 640.8 cu in |
| Specification | 518 Cable | 518 Grapple | 528 |
|---|---|---|---|
| Operating Weight | 22,597 lb | 26,511 lb | 30,951 lb |
| Fuel Capacity | 51 gal | 51 gal | 55 gal |
| Hydraulic System Fluid Capacity | 7.7 gal | 7.7 gal | 11.9 gal |
| Axle Oscillation | 14 degrees | 14 degrees | 14 degrees |
| Tire Size | 23.1-26 | 23.1-26 | 24.5-32 |
| Specification | 518 Cable | 518 Grapple | 528 |
|---|---|---|---|
| Number Of Forward Gears | 3 | 3 | 3 |
| Number Of Reverse Gears | 3 | 3 | 3 |
| Max Speed - Forward | 15 mph | 15 mph | 18.8 mph |
| Max Speed - Reverse | 17.9 mph | 17.9 mph | 22.9 mph |
| Source guide | Differing-field count reported |
|---|---|
| 518 Cable, 518 Grapple, and 528 | 20 |
| Figure | 518 Cable | 518 Grapple | 528 |
|---|---|---|---|
| Engine horsepower per 1,000 lb of weight | 5.8 | 4.9 | 5.6 |
| Fuel tank per engine horsepower | 0.39 gal | 0.39 gal | 0.32 gal |
Cat 518 Cable, 518 Grapple, and 528: skidder
| Forum index | Equipment class queried | Names in the search | Matching titles |
|---|---|---|---|
| Heavy Equipment Forums | skidder | Cat and the 518 line that the 518 Cable, 518 Grapple, 528 belongs to (no title names the exact model) | 13 |
| Title topic | Titles |
|---|---|
| transmission and drive | 6 |
| Topic in the title | Threads | Share of matching threads |
|---|---|---|
| transmission and drive | 6 | 46% |
- 1983 Caterpillar Line Skidder 518 Skid Plate Removal Question (Heavy Equipment Forums, 2025-10-05)
- CAT 518 Skidder Dead Engin Need To Tow To Landing CAN%E2%80%99t Get Out Of Gear Have Auxiliary Air To Un Lock Brakes Any Suggestions Thanks (Heavy Equipment Forums, 2023-10-29)
- 1984 CAT 518 Transmission Questions (Heavy Equipment Forums, 2023-08-27)
- 1986 CAT 518 Transmission Issues (Heavy Equipment Forums, 2022-09-10)
| Observation date | Listing source | Equipment search | Listings |
|---|---|---|---|
| 2026-09-24 | MachineryTrader | Cat skidder | 30 |
| Model | Listed | Model years | Lowest asking | Highest asking | Median asking | Median hours |
|---|---|---|---|---|---|---|
| 518 Cable | 15 | 1972 to 1994 | $15,953 | $45,000 | $38,500 | 4,000 |
| 518 Grapple | 15 | 1972 to 1994 | $15,953 | $45,000 | $38,500 | 4,000 |
| Search date | Database | Names queried | Search result |
|---|---|---|---|
| 2026-09-24 | U.S. Consumer Product Safety Commission | Cat together with the skidder 518 Cable, 518 Grapple, 528 | No matching recall in this search |
| Evidence class | Document, classification and recorded date |
|---|---|
| Reference site |
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| Reference site |
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| Reference site |
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| Forum threads |
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| Used-market listings |
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| Federal agency data |
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Cat 518 Cable, 518 Grapple, and 528: Configuration records
518 Cable
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Length | 18.77 ft |
| Overall Width | 8.67 ft |
| Height To Top Of Cab | 9.55 ft |
| Ground Clearance | 1.55 ft |
| Wheelbase | 10.67 ft |
| Drum Diameter | 10.04 in |
| Max Line Pull - Bare Drum | 26,363 lb |
| Max Line Speed | 301.84 ft/min |
| Drum Capacity At Cable Width | 249.35 ft |
| Cable Width | 0.63 in |
| Blade Width | 7.09 ft |
| Engine | |
| Gross Power | 130 hp |
| Displacement | 427.2 cu in |
| Operational | |
| Operating Weight | 22,597 lb |
| Fuel Capacity | 51 gal |
| Hydraulic System Fluid Capacity | 7.7 gal |
| Axle Oscillation | 14 degrees |
| Tire Size | 23.1-26 |
| Transmission and speeds | |
| Number Of Forward Gears | 3 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 15 mph |
| Max Speed - Reverse | 17.9 mph |
518 Grapple
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Width | 8.67 ft |
| Height To Top Of Cab | 9.55 ft |
| Ground Clearance | 1.55 ft |
| Wheelbase | 10.67 ft |
| Drum Diameter | 10.04 in |
| Max Line Pull - Bare Drum | 26,363 lb |
| Max Line Speed | 301.84 ft/min |
| Drum Capacity At Cable Width | 249.35 ft |
| Cable Width | 0.63 in |
| Blade Width | 7.09 ft |
| Reach Of Grapple At Ground Level | 8.59 ft |
| Tong Opening At Tips | 6.84 ft |
| Grapple Capacity - Tongs Tip To Tip | 7.54 ft2 |
| Engine | |
| Gross Power | 130 hp |
| Displacement | 427.2 cu in |
| Operational | |
| Operating Weight | 26,511 lb |
| Fuel Capacity | 51 gal |
| Hydraulic System Fluid Capacity | 7.7 gal |
| Axle Oscillation | 14 degrees |
| Tire Size | 23.1-26 |
| Transmission and speeds | |
| Number Of Forward Gears | 3 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 15 mph |
| Max Speed - Reverse | 17.9 mph |
528
| Specification | Source figure |
|---|---|
| Dimensions and weight | |
| Overall Width | 9.59 ft |
| Height To Top Of Cab | 9.59 ft |
| Ground Clearance | 2.01 ft |
| Wheelbase | 10.67 ft |
| Drum Diameter | 10.04 in |
| Max Line Pull - Bare Drum | 38,189 lb |
| Max Line Speed | 229.66 ft/min |
| Drum Capacity At Cable Width | 173.89 ft |
| Cable Width | 0.75 in |
| Blade Width | 7.52 ft |
| Reach Of Grapple At Ground Level | 9.76 ft |
| Tong Opening At Tips | 8.67 ft |
| Grapple Capacity - Tongs Tip To Tip | 12.92 ft2 |
| Engine | |
| Gross Power | 174.4 hp |
| Displacement | 640.8 cu in |
| Operational | |
| Operating Weight | 30,951 lb |
| Fuel Capacity | 55 gal |
| Hydraulic System Fluid Capacity | 11.9 gal |
| Axle Oscillation | 14 degrees |
| Tire Size | 24.5-32 |
| Transmission and speeds | |
| Number Of Forward Gears | 3 |
| Number Of Reverse Gears | 3 |
| Max Speed - Forward | 18.8 mph |
| Max Speed - Reverse | 22.9 mph |
More in Cat: 527, 525C Grapple/535C Grapple/545C Grapple specs, D4H.