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With Gradall’s world-famous full tilting, telescoping boom and a Freightliner truck chassis, you can complete more work in more places in a single day. Without the need for a lowboy trailer, quickly drive the excavator out to more job sites and then back to the safety of the equipment yard — all at highway speeds.
New D172 and D174 Models
- 36% increase in horsepower
- 9% increase in highway travel speed
- Greater axle capacity
- Reduced noise and fuel consumption
- More comfort in chassis cab
Gradall is a Sourcewell contract supplier
Members of the Sourcewell cooperative purchasing agency can purchase Gradall machines without going through an extensive bidding process.
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FEATURES
- CHASSIS DESIGN
- CHASSIS DESIGN
- CHASSIS CAB
- BOOM
- OPERATOR CAB
- ADVANCED SYSTEMS
- EXCAVATOR
OPERATING RANGE & PERFORMANCE | D172 | D174 |
---|---|---|
Max Digging Depth | 13' 6" (4.1m) | 13' 0" (4.0m) |
Max. Radius at Groundline | 24' 11" (7.6m) | 24' 9" (7.5m) |
Max. Loading Height | 16' 4" (5.0m) | 16' 10" (5.1m) |
Max. Work Hgt., (Boom below grade) | 14' 1" (4.3m) | 14' 7" (4.5m) |
Boom Telescope | 10' 3" (3.1m) | 10' 3" (3.1m) |
Boom Tilt | 220° | 220° |
Bucket Pivot Angle | 165° | 165° |
Rated Boom Force | 16,387 lb (72.9kN) | 16,387 lb (72.9kN) |
Rated Bucket Breakout Force | 11,400 lb (50.7kN) | 11,400 lb (50.7kN) |
Max. Lift Capacity | 5,490 lb (2,400kg) | 5,490 lb (2,400kg) |
Operating Weight | 32,200 lb (14,600kg) | 34,500 lb (15,650kg) |
Swing Clearance | 6' 7" (2.0m) | 6' 7" (2.0m) |
WEIGHTS & DIMENSIONS | D172 | D174 |
---|---|---|
Transport Length w/ Bucket | 27' 1" (8.3m) | 27' 1" (8.3m) |
Transport Height w/ Bucket | 12' 3" (3.7m) | 12' 9" (3.8m) |
Transport Width w/ Bucket | 8' 6" (2.6m) | 8' 6" (2.6m) |
Drive | 4 x 2 | 4 x 4 |
Gross Vehicle Axle Rating | 37,700 lb (17,100kg) | 37,000 lb (16,783kg) |
UNDERCARRIAGE | D172 | D174 |
---|---|---|
Wheelbase | 15' 10" (4.8m) | 15' 10" (4.8m) |
Engine Standard | Cummins ISB 6.7 | Cummins ISB 6.7 |
HP @ RPM | 300/2600 | 300/2600 |
Travel Speed | 60 mph (97kph) | 60 mph (97kph) |
Ground Clearance | 10" (254mm) | 10" (254mm) |
ATTACHMENTS | D172 | D174 |
---|---|---|
Excavating Buckets | ✓ | ✓ |
Ditch Cleaning Buckets | ✓ | ✓ |
Pavement Removal Buckets | ✓ | ✓ |
Grapples | ✓ | ✓ |
Flail Mowers | ✓ | ✓ |
Rotary Mowers | ✓ | ✓ |
DOWNLOAD LITERATURE (PDF)
DISCOVERY BROCHURE
- Reinforced chassis with a modified rear suspension, specifically designed in a collaboration between Gradall and Freightliner engineers
- Over-the-road travel at highway speeds
- Allison 6-speed automatic transmission
- No need for outriggers
- Up to a 55-degree wheel cut, providing excellent curb-to-curb maneuverability
- Powered by a single Cummins 6.7 liter engine - 50-state legal
- Fully supported by Freightliner distribution network
- Ergonomically designed interior with extra sound-deadening
- Standard convenience features include an adjustable steering column, dual reading lights and radio
- Freightliner cab accommodates a driver and a passenger
- Full boom tilts 220°
- No loss of power to attachment tilting capability
- Rugged 27' 7" telescoping boom
- Low working profile under bridges, trees and in tunnels
- Full selection of attachments
- Full-length boom visibility during the entire dig cycle unlike conventional boom
- Bucket capacity up to 3/4 yard with 60-inch ditching bucket
- Fast cycle times - ditching, loading and spreading
- Choose the Gradall, Deere or SAE joystick pattern using an in-cab switch
- Quiet, roomy cab with comfortable seating module
- Excellent job site visibility
- Standard air conditioning
- Legendary Bosch Rexroth design and reliability
- All new, modern high-pressure hydraulic system is electronically controlled with pressure-compensated, load-sensing valves
- Combined electrical system for chassis and excavator delivers advanced, effective operation
- Tail swing won't obstruct traffic on narrow roads
- Stable, without the need for outriggers
- All new electric remote drive system for positioning chassis
- No need for a second engine


DISCOVERY VERSATILITY AT WORK
- Grading
- Culvert Replacement
- Landscaping
- Mowing
- Roadside Vegetation Control
- Removal and Replacement of Curbs, Gutters
- Sidewalk and Driveway Repair and Replacement



LATEST JOB STORY
ANDERSON COUNTY, SC
Gradall's ability to move quickly and handle many different jobs pays off for county
GET THE FULL STORYEXCAVATOR ATTACHMENTS
MAXIMIZE GRADALL PRODUCTIVITY




















ONE MAN. ONE MACHINE.
THE GRADALL DIFFERENCE
It starts with the unique telescoping Gradall boom that handles more jobs efficiently, thanks to its movements and superior strength. Gradall offers a unique range of excavator undercarriages that have reshaped the industry idea of equipment mobility, both on and off highways.
