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627K Wheel Tractor-Scraper
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Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers to consistently deliver high productivity at the lowest cost per ton.

Specifications
Features
Standard Equipment

Tractor Engine

Flywheel Power: Tractor/Scraper
304 kW (407 hp)/216 kW (290 hp)

Scraper Bowl

Scraper Capacity: Heaped
24.0 yd3

Transmission

Top Speed (Loaded)
33.5 mph
Top Speed (Loaded)
33.5 mph

Dimensions

Width - Overall Machine
141.1 in
Width - Tractor
133.1 in
Width - Inside of Bowl
120.0 in
Width - Outside Rear Tires
128.9 in
Height - Overall Shipping
158.6 in
Height - Top of Cab
142.6 in
Ground Clearance - Tractor
21.9 in
Front of Tractor to Front Axle
122.8 in
Axle to Vertical Hitch Pin
21.3 in
Height - Scraper Blade Maximum
20.5 in
Wheelbase
314.9 in
Rear Axle to Rear of Machine
114.1 in
Width - Rear Tire Centers
90.2 in
Wheelbase
314.9 ft
Length - Overall Machine (Standard)
551.8 in
Length - Maximum (Push-Pull)
613.2 in
Width - Overall Machine - Ladder Down
149.2 in
Width - Overall Machine - Ladder Down
149.2 in

Service Refill Capacities

Hydraulic System
21.926 gal
Fuel Tank
336.03 gal
Hydraulic System
21.926 gal
Crankcase: Scraper
7.3968 gal
Diesel Exhaust Fluid: Tractor
8.0572 gal
Transmission System: Scraper
12.944 gal
Cooling System: Scraper
16.114 gal
Crankcase: Tractor
8.08 gal
Fuel Tank
336.03 gal
Transmission System: Tractor
24.76 gal
Cooling System: Tractor
11.89 gal
Diesel Exhaust Fluid: Scraper
5.55 gal

Cab

ROPS/FOPS
Meets SAE and ISO standards
ROPS/FOPS
Meets SAE and ISO standards
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
Exterior Sound Level
The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).

Safety Criteria Compliance Standards

Steering System
ISO 5010:2007
Brakes
ISO 3450:1996
Rollover Protection Structure (ROPS)
ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Falling Object Protective Structure (FOPS)
ISO 3449:2005 Level II
Seat Belt
SAE J386:JUN1985
Reverse Alarm
ISO 9533:2010

Engine

Flywheel Power: Tractor
407.0 hp
Engine Model: Tractor
Cat C13 ACERT™
Rated Engine RPM: Scraper
2150 RPM
Note
Cat C9.3 ACERT and Cat C13 ACERT engines meet U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Flywheel Power: Scraper
290 hp
Rated Engine RPM: Tractor
2000 RPM
Engine Model: Scraper
Cat C9.3 ACERT
Flywheel Power: Tractor
407 hp

Push-Pull

Operating Weight (Empty)
92980 lb
Overall Length (With Bail Down)
51.1 ft

Travel Speeds (Runout)

Transmission Gear: Sixth
18.4 mph
Transmission Gear: First
3.1 mph
Transmission Gear: Second
5.5 mph
Transmission Gear: Eighth
33.5 mph
Transmission Gear: Third
7.5 mph
Transmission Gear: Fourth
10.1 mph
Transmission Gear: Seventh
24.8 mph
Transmission Gear: Fifth
13.6 mph
Transmission Gear: Reverse
5.7 mph

General Data

Rated Load
26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
Fuel Tank Refill Capacity: Scraper
336.0 gal
Tires: Scraper
33.25R29**E3
Overall Shipping Height
13.22 ft
Width of Cut
10.3 ft
Tires: Tractor Drive
33.25R29**E3
Scraper Capacity: Heaped
24.0 yd3
Maximum Depth of Cut
12.4 in
Tires: Tractor Drive
33.25R29**E3
Overall Width
11.71 ft
180° Curb-to-Curb Turning Width
38.71 ft
Scraper Capacity: Struck
17.1 yd3
Maximum Depth of Spread
21.3 in
Top Speed (Loaded)
33.5 mph

Implement Cycle Times

Ejector Retract
6.7 Seconds
Bail Lower
3.2 Seconds
Bowl Raise
3.0 Seconds
Apron Lower
3.8 Seconds
Bail Raise
1.8 Seconds
Ejector Extend
5.2 Seconds
Apron Raise
2.95 Seconds
Bowl Lower
3.5 Seconds

Non Push-Pull

Operating Weight (Empty)
90213 lb
Overall Length
45.9 ft
Main Features and Benefits

Main Features and Benefits

• Tractor Serviceability Improvement - The filter bank located at the rear of the engine compartment has undergone improvements for serviceability by raising the filter bank up for easier access.

• Engine Over Speed Protection - In the event of an engine over speed situation, the compression brake or brakes will automatically engage with no operator input. The machine determines the over speed condition based on rate of acceleration and applies compression brakes automatically.

• Fuel Economy Mode - Fuel Economy Mode is a two part feature when selected, the first part of the feature lowers the transmission shift points allowing shifting to take place at lower rpms to aid in fuel savings. The second part of the Fuel Economy Mode allows the machine when operated at engine rpms less than full throttle to automatically vary the power distribution between the tractor and the scraper, allowing the machine to utilize the more efficient tractor power train vs. the full time torque converter drive scraper power train.

• Advanced Cushion Hitch - With similar technology as the Cat® Advanced Ride Management seat suspension, this software allows the cushion hitch to prevent end stroke by having the ability to predict end stroke events and manage the rate of dampening. The desired result is improved hitch repair, reduced maintenance and improved operator ride in rough conditions.

• High Pressure Steering - The K Series steering system design requires significantly less steering effort. The reduced steering effort will allow for decreased operator fatigue and a more efficient operator resulting in possible higher rates of production late in the work cycle.

• Draft Arm Overflow Guards - The open bowls now come standard with bowl side overflow guards to help prevent material from flowing over the bowl sides and falling onto the draft arms where material becomes lodged between the bowl side and draft arm resulting in decreased work cycle times.

• Auto Stall - In cold weather conditions the machine will use the Auto Stall feature to help warm up the transmission oil faster resulting in the machine shifting out of torque converter drive (2nd gear) faster than on previous models.

• Differential Lock Engagement Protection (Standard) - This standard feature allows the machine to prevent the operator from engaging the differential lock when damage could occur.

• Cab Improved - The interior of the K Series cabs has improved the operator comfort and visibility by redesigning the dash area and key pad placement.

• Machine Speed Limit - This feature is designed to take the place of top gear selection. If the machine top speed needs to be limited the operator can select the top speed through the display or the top speed can be set in ET. This will allow the machine to find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases resulting in a lower engine load factor and lower fuel burn verses using top gear selection that required the machine to run at engine speeds at or close high idle.

• Ground Speed Control - Ground Speed Control sets the desired top speed by the operator if job site conditions or segment speed limits require a speed less than full run out. Machine Speed Limit is intended for use when top speed needs to be limited for longer durations and Ground Speed Control is intended for use when the top speed needs to be reduced for shorter segments or intermediate periods of time. The operator can set the desired top speed and the machine will find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases will result in a lower engine load factor and lower fuel burn verses top gear selection.

  • POWER TRAIN - TRACTOR
  • POWER TRAIN - SCRAPER
  • ELECTRICAL - TRACTOR
  • ELECTRICAL - SCRAPER
  • OPERATOR ENVIRONMENT - TRACTOR
  • FLUIDS
  • OTHER STANDARD EQUIPMENT - TRACTOR
  • OTHER STANDARD EQUIPMENT - SCRAPER
  • SPECIAL ARRANGEMENTS