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Caterpillar 623G Wheel Tractor Scraper
Caterpillar 623G Wheel Tractor ScraperQuick loading, high travel speeds and the ability to load and spread on the run yield fast cycle times, allowing Cat Elevating Scrapers to consistently deliver high productivity at the lowest cost per ton. |  |  | |||
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 | Overview & Specifications | |  | Features & Benefits | | | Standard Equipment | | | Optional Equipment | | | Work Tools & Attachments | ||
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| Scraper Bowl | |
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| Capacity Heaped | 23 yd3 / 17.5 m3 |
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| Rated Load | 55115 lb / 25000 kg |
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| Capacity Struck | 18 yd3 / 13.8 m3 |
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| Depth of Cut - max | 13 in / 330 mm |
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| Width of Cut, to Router Bits | 138 ft / 3505 mm |
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| Ground Clearance - max | 15.2 in / 387 mm |
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| Cutting Edge thickness | 1.14 in. / 29 mm |
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| Hydraulic Penetration Force | 33750 lb / 150 kN |
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| Depth of Spread - max | 15 in / 380 mm |
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| Transmission | |
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| Travel Speed Maximum | 32 mph / 51.5 km/h |
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| 1 Forward | 3.1 mph / 5 km/h |
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| 2 Forward | 4.7 mph / 7.6 km/h |
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| 3 Forward | 6.8 mph / 10.9 km/h |
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| 4 Forward | 9.2 mph / 14.8 km/h |
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| 5 Forward | 12.4 mph / 19.9 km/h |
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| 6 Forward | 16.7 mph / 26.9 km/h |
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| 7 Forward | 22.6 mph / 36.4 km/h |
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| 8 Forward | 32 mph / 51.5 km/h |
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| Reverse | 5.7 mph / 9.2 km/h |
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| Weights | |
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| Total Operating - empty | 82530 lb / 37435 kg |
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| Front Axle | 52819 lb / 23958 kg |
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| Rear Axle | 29711 lb / 13477 kg |
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| Total Shipping | 81196 lb / 36830 kg |
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| Tractor Shipping | 52778 lb / 23940 kg |
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| Scraper Shipping | 28419 lb / 12891 kg |
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| Total Operating - loaded | 137646 lb / 62435 kg |
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| Front Axle Weight - loaded | 68823 lb / 31218 kg |
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| Rear Axle Weight - loaded | 68823 lb / 31218 kg |
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| Engine | |
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| Net Power - Tractor/Scraper | 246 kW (330 hp) |
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| Tractor Engine | Cat® C15 ACERT™ |
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| Net Power - Gears 1 - 2 | 330 hp / 246 kW |
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| Net Power - Gears 3-8 | 365 hp / 272 kW |
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| Gross Power - Gears 1 - 2 | 359 hp / 268 kW |
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| Gross Power - Gears 3-8 | 394 hp / 294 kW |
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| Bore | 5.5 in / 140 mm |
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| Stroke | 6.5 in / 165 mm |
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| Displacement | 928 in3 / 15.2 L |
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| Flywheel Power | 330 hp / 246 kW |
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| Elevator | |
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| Length - overall | 146.9 in / 3730 mm |
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| Width of Flight Face | 8.5 in / 217 mm |
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| Length of Flights | 89 in / 2260 mm |
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| Spacing of Flights | 20 in / 510 mm |
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| Number of Flights | 15 |
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| Dimensions | |
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| Height - overall shipping | 146 in / 3708 mm |
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| Length - overall machine | 520 in / 13209 mm |
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| Width - overall machine | 140 in / 3556 mm |
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| Height - top of cab | 134.8 in / 3423 mm |
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| Height - scraper blade max. | 15 in / 380 mm |
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| Width - tractor | 123.2 in / 3130 mm |
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| Width - inside of bowl | 116 in / 2946 mm |
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| Width - rear tire center lines | 85.8 in / 2180 mm |
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| Width - outside rear tires | 120 in / 3048 mm |
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| Rim radius | 17 in / 432 mm |
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| Front of Tractor to Front Axle | 120.4 in / 3058 mm |
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| Wheelbase | 314 in / 7976 mm |
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| Rear Axle to Rear of Machine | 85.7 in / 2176 mm |
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| Ground Clearance, Tractor | 21.8 in / 553 mm |
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| Steering | |
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| Width - 180° Turn | 35.9 ft / 10.9 m |
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| Steering Angle - Right | 90° |
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| Steering Angle - Left | 85° |
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| Hydraulic Output | 55 gal/min / 209 L/min |
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| Service Refill Capacities | |
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| Fuel Tank | 160 gal / 606 L |
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| Crankcase | 9.5 gal / 36 L |
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| Transmission | 19 gal / 72 L |
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| Differential | 38 gal / 144 L |
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| Final Drive (each side) | 5 gal / 19 L |
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| Wheel Coolant (each) | 12 gal / 45 L |
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| Cooling System | 28 gal / 107 L |
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| Hydraulic Reservoir | 37 gal / 140 L |
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| Hydraulics | |
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| Bowl Cylinder Bore | 6 in / 152 mm |
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| Bowl Cylinder Stroke | 20 in / 508 mm |
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| Floor Cylinder Bore | 6 in / 152 mm |
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| Floor Cylinder Stroke | 53.25 in / 1353 mm |
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| Ejector Cylinder Bore | 5 in / 127 mm |
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| Ejector Cylinder Stroke | 48 in / 1220 mm |
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| Steering Circuit | 55 gal/min / 209 L/min |
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| Scraper Circuit | 63.7 gal/min / 241 L/min |
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| Cushion Hitch Circuit | 9.8 gal/min / 37 L/min |
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| Supplemental Steering Circuit | 39.9 gal/min / 150 L/min |
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| Relief Valve - Steering Circuit | 2250 psi / 15500 kPa |
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| Relief Valve - Implement Circuit | 2510 psi / 17300 kPa |
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| Compensator Settings - Cushion Hitch Circuit | 2175 psi / 16000 kPa |
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| Compensator Settings - Elevator Circuit | 5246 psi / 36175 kPa |
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