TowerReach 55 Insulated Aerial Bucket Truck
Rated for live power line work. Fifty-five feet of insulated reach.
55-foot insulated aerial bucket truck. ANSI Class E 40 kV dielectric rating for live-line work. 700 lb two-person bucket, articulating upper boom.
- 55 ft maximum vertical reach (working height to 61 ft)
- ANSI/SIA A92.2 Class E — 40 kV dielectric insulation
- 700 lb bucket capacity — two-person / lineman rated
- Articulating upper boom — 14 ft of reach over obstacles
- Integrated dielectric test port for annual recertification
- Isolated lower boom / turret — no conductive path to ground
- Tool tray, storage hooks, and D-ring fall protection anchors standard
- Ground and platform controls with safety interlock
✓ In Stock — Ships in 5-10 business days
| Warranty | 3 years hydraulic, 5 years structural |
| Outriggers | Hydraulic, 4-point plus jib |
| Upper Boom | Articulating, 14 ft |
| Boom Weight | 7,100 lbs (boom assembly) |
| Power Source | Truck PTO (hydraulic) |
| Vertical Reach | 55 ft |
| Working Height | 61 ft |
| Bucket Capacity | 700 lbs (2-person) |
| Horizontal Reach | 38 ft |
| Dielectric Rating | ANSI/SIA A92.2 Class E — 40 kV |
| Mount Compatibility | Class 5, 6, or 7 truck chassis |
Multi-angle views of the TowerReach 55 Insulated Aerial Bucket Truck. Click any image to zoom.
See this class of lift in action. The video below shows installation, real-world operation, and the kind of shop this lift belongs in.
Aerial bucket trucks use a truck-mounted hydraulic boom and articulating system to position a work bucket at height. The PTO-driven system draws power from the truck engine — boom operation requires the truck engine to be running.
PTO Engagement
Before operating the boom, engage the Power Take-Off (PTO) via the in-cab switch or lever. The PTO connects the truck's transmission output to the hydraulic pump. The truck must be in neutral (auto) or PTO gear (manual) before PTO engagement.
Outrigger Setup
Deploy all four outriggers before raising the boom. Place outrigger pads under each foot on soft or uneven ground. Confirm all four indicator lights show "set" (or physically verify leveling) before raising the boom above horizontal.
Boom Controls
Both platform (bucket) controls and base controls operate the boom. Platform controls replicate all boom functions with the addition of a platform rotation control. The base controls include an emergency override for all boom functions in the event of power loss in the bucket.
Emergency Lowering
A manual hydraulic override at the base of the boom lowers the platform in the event of engine failure or hydraulic system failure. The operator in the bucket should wear a full-body harness with a lanyard connected to the bucket's D-ring anchor at all times.
⚙️ Outrigger Interlock
The boom cannot be raised above horizontal unless all four outriggers show confirmed ground contact. An electronic sensor in each outrigger pad signals the control system. A boom raised without full outrigger deployment is the primary cause of tip-overs in aerial truck incidents.
🛡️ Insulation Testing (Class E)
Insulated bucket trucks require annual dielectric testing per ANSI/SIA A92.2. The fiberglass upper boom and bucket are tested to their full rated voltage (40 kV for Class E). A test port on the unit allows in-field testing without removing components.
🔒 Platform Fall Arrest Anchor
A certified D-ring fall arrest anchor is welded into the bucket structure. All operators in the bucket must wear a full-body harness with the lanyard connected to this anchor at all times — OSHA 1910.67 requirement for aerial devices.
🚨 Emergency Lower / Override
A manual hydraulic override at the base of the boom lowers the platform to ground level independently of all electronic controls and truck power. Location and operation are marked clearly on the unit. Test this system at every pre-shift inspection.
How does this compare?
The defining spec here is the ANSI Class E dielectric rating — this is what separates a regular bucket truck from a line-work aerial device. Class E means the insulation is tested to 40 kV, allowing the operator to work within the approach distance of distribution-voltage energized conductors. Non-insulated bucket trucks cannot legally or safely approach live electrical lines. If you're doing any electrical utility, telecom, or substation work near energized equipment, this rating is non-negotiable.