621 Partial Wheel Tractor-Scraper
US
Metric
Overview
Caterpillar offers partial wheel tractor-scraper power units designed for specialty machines that complement the traditional Cat® product line. These tractor-only configurations are available for purchase directly from Caterpillar OEM Solutions. They can be leveraged for a variety of final machines, including water pulls, elevating scrapers, lowboy trailer power units, and more. With improvements in productivity combined with enhancements in operator comfort and new safety features – Powered Access System and effective wet disc brakes – this machine offers high returns on time and investment.
Engine
Tractor Engine
Cat® C13
Flywheel Power - Tractor
407.00 HP
304.00 kW
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Transmission
Top Speed - Loaded
33.50 mile/h
53.90 km/h
1 Forward
3.10 mile/h
5.00 km/h
2 Forward
5.50 mile/h
8.90 km/h
3 Forward
7.50 mile/h
12.10 km/h
4 Forward
10.10 mile/h
16.30 km/h
5 Forward
13.60 mile/h
21.90 km/h
6 Forward
18.40 mile/h
29.60 km/h
7 Forward
24.80 mile/h
39.90 km/h
8 Forward
33.50 mile/h
53.90 km/h
Reverse
5.70 mile/h
9.20 km/h
Steering
Width - 180° Turn
38.60 ft
11.80 m
Standards
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS: ISO 3471:2008 for up to 17 084 kg (37,664 lb). FOPS: ISO 3449:2005 Level II.
Cab
Seat Belt: SAE J386:JUN1985
Service Refill Capacities - Tractor
Fuel Tank
216.10 gal (US)
818.00 l
Crankcase
9.70 gal (US)
37.00 l
Transmission
25.50 gal (US)
97.00 l
Differential
41.70 gal (US)
158.00 l
Final Drive - Each
5.00 gal (US)
19.00 l
Cooling System
11.00 gal (US)
42.00 l
Hydraulic Reservoir
21.90 gal (US)
83.00 l
Windshield Washer
1.30 gal (US)
5.00 l
Service Refill Capacities - Scraper
Cooling System
16.60 gal (US)
63.20 l
Differential
44.00 gal (US)
168.00 l
Final Drive - Each
7.80 gal (US)
30.00 l
Fuel Tank
430.00 gal (US)
1628.00 l
Transmission
31.90 gal (US)
121.00 l
Crankcase
8.90 gal (US)
34.00 l
Features
WORK IN COMFORT
EASY TO OPERATE
BE MORE PRODUCTIVE
DESIGNED FOR SAFETY
DEALER SUPPORT
Standard Equipment
- NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
- POWERTRAIN
- Cat® C13 engine with Mechanically Actuated Electronic Unit Injection (MEUI™)
- Transmission: 8-speed planetary powershift, ECPC control, APECS software, programmable top gear selection, transmission hold, differential lock, guard - power train, ground speed control, machine speed limit
- Cat engine brake
- Electric start, 24V
- Fan, hydraulic
- Ground level engine shutdown
- Guard, crankcase
- Starting aid, ether
- Braking system: primary and secondary, wet disc, hydraulic; parking, hydraulic-released, spring-applied
- ELECTRICAL
- Alternator, 115 ampere
- Batteries (4), 12V, 1,000 CCA, maintenance free, high output
- Electrical system, 24V
- Lighting system: LED
- Starting/charging receptacle
- OPERATOR ENVIRONMENT
- HVAC system, heat, AC, defrost
- Thermostat control of HVAC system
- Coat hook
- Lunchbox platform with holding strap
- Diagnostic connection (2)
- 12V power ports (2)
- Differential lock
- Dome courtesy light
- Horn, electric
- T-handle implement control
- Radio ready
- ROPS/FOPS cab, pressurized
- Keypad switches: rear engine start; throttle lock; wipers/washers; hazard lights; worklights on, off; information mode; messenger display; safety tab rocker switches, parking brake
- Seat belt, static two-piece
- Windows, sliding
- Windshield wipers, front and rear windows, includes washers
- Windows, laminated, zipped in
- Mirror, rearview
- Door lock
- Messenger display gauges, warnings include: coolant temp; engine oil temp; hydraulic oil temp; DPF temp; fuel level; park brake; implement lockout; brake system, regeneration required; throttle lock; system voltage; secondary steering; bail down; differential lock; apron float; transmission hold; high beam lights; action lamp; engine speed, rpm; gear selection; DPF fill levels
- Safety tab rocker switches
- Seat: Cat Advanced Ride Management (ARM), Cat Comfort Series III, rotates 30 degrees
- Steering wheel, tilt, telescoping, padded
- Windows, right side emergency egress
- Messenger display
- FLUIDS
- Extended life coolant to -37° C (-34° F)
- OTHER EQUIPMENT
- Advanced cushion hitch
- Accumulators (cushion hitch and brake) with Canadian registration number (CRN)
- Tow pin, front
- Fenders, non-metallic
- Heater, engine coolant 120V
- OTHER ATTACHMENTS
- Fast-fill fuel tank
Optional Equipment
- OTHER ATTACHMENTS
- Camera arrangement: Work Area Vision System (WAVS)
- Cab beacon
- Air horn
- Air horn and beacon
- Kingbolt housing
- Rear wheel arrangement (set of 2)
- Scraper draft arm package
- Steering cylinder group (set of 2)