CLAMSHELL BUCKET TRUCKS
POWER. PERFORMANCE. PREPAREDNESS.
Clean like no other equipment can
At Haaker Underground, we’re proud to offer Stetco’s innvoative, eco-friendly equipment for managing municipal drainage operations. Fully compliant with EPA stormwater requirements, Stetco’s clamshell bucket trucks and equipment set the standard for durability, effectively operating in even the most challenging environments. Their buckets are innovatively designed to extract water while removing hefty debris, drastically cutting down on unproductive dump trips. The agility and adaptability of Stetco equipment enable digging in dry conditions, removing the necessity to produce slurry.

Stetco 950 Combination Unit
- Available digging depths to 50’ below grade
- Stainless steel, watertight debris body 5-6 cubic yard capacity
- Equipped with high-pressure, low-volume water jetting system
- Radial piston diaphragm pump jets laterals up to 18” diameter with ½” diameter jetting hose
- Up to 4000 PSI pressure at approximately 12 GPM
- Minimum chassis GVWR: 33,000 lb
- Available anti-freeze system allows for operation in subfreezing temperatures
STETCO 950T/15
- 15’ hydraulic boom outreach
- Available digging depths down to 100’ below grade
- Stainless steel, watertight debris body, 6-7 cubic yard capacity, customizable
- Available stabilizers to handle largest Stetco buckets
- Minimum chassis GVWR: 33,000 lb
- Tested to over 140,000 fully loaded cleaning cycles!


Stetco 950T/13
- 13’ hydraulic boom outreach
- Available digging depths down to 100’ below grad
- Stainless steel, watertight debris body, 6-7 cubic yard capacity, customizable
- Available stabilizers to handle largest Stetco buckets
- Minimum chassis GVWR: 33,000 lb
- Tested to over 140,000 fully loaded cleaning cycles!
Stetco 920SP14
- 14’ hydraulic boom outreach
- Down to 35’ below grade operating depths
- Stainless steel, watertight debris body, 2-3 cubic yard capacity
- Mounted on a Ford F-550 chassis for tight municipal confines
- Available stabilizers for additional load capacity
- Handles most sizes of Stetco buckets
- Non-CDL


Stetco Rectangular Clamshell
Stetco buckets easily remove heavy, cumbersome debris that choke vacs. With dry, compact debris, there’s no need to add water to handle it—just dig and load. In structures with water present, Stetco buckets dig in and squeeze out water as they close, effectively dewatering the load. Stetco’s waterless functionality is a game changer, simplifying operations and conserving water resources.
Available Sizes: 12″ and 20″
Stetco Round Clamshell
Stetco buckets easily remove heavy, cumbersome debris that choke vacs. With dry, compact debris, there’s no need to add water to handle it—just dig and load. In structures with water present, Stetco buckets dig in and squeeze out water as they close, effectively dewatering the load. Stetco’s waterless functionality is a game changer, simplifying operations and conserving water resources.
Sizes available: 10” and 12”


Stetco Orange Peel
Stetco buckets easily remove heavy, cumbersome debris that choke vacs. With dry, compact debris, there’s no need to add water to handle it—just dig and load. In structures with water present, Stetco buckets dig in and squeeze out water as they close, effectively dewatering the load. Stetco’s waterless functionality is a game changer, simplifying operations and conserving water resources.
Sizes available: 13” and 15”
Stetco Orange Peel - Long Blade
Stetco buckets easily remove heavy, cumbersome debris that choke vacs. With dry, compact debris, there’s no need to add water to handle it—just dig and load. In structures with water present, Stetco buckets dig in and squeeze out water as they close, effectively dewatering the load. Stetco’s waterless functionality is a game changer, simplifying operations and conserving water resources.
Sizes available: 15”, 18”, and 24”


Stetco Debris Body
- Crossmemberless understructure
- Full perimeter splash shields
- Watertight tailgate gasket and screw locks
- Hydraulic hoist with safety props
- Body dump safety device to prevent raising body into boom
- Available stainless spring brackets housing spade tool
- Available scuppers for draining off residual water
- Available safety lighting
- Available powered tailgate