Fishing GearLuhr JensenSold by Fin Feather Fur Outfitters

Luhr Jensen

Luhr-Jensen 40' Jet Driver Black Moon Jelly

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Buoyant Design

Collects water pressure against its

Floats Off

Structure when pressure is relaxed

River Back-trolling

Applications

Helps Present

Lures and baits tight to

Length: 4

In

$11.99
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SKU: 5540-040-2500-049762647719

Overview

Built for river back-trolling, this diver uses water pressure on its wings to reach depth and then float off structure when pressure eases. It is designed to help keep lures and baits presented tight to the river bottom, making it a practical choice for controlled presentations in current. The 4-inch body is rated to run to 40 feet, and the Black Moon Jelly finish gives it a distinct look in the water.

Why Hunters Choose the Luhr Jensen

Buoyant Design

Helps it rise off structure

River Back-trolling

Applications

Helps Present

Lures and baits tight to

Rated 40-foot

Running depth

Compact 4-inch

Length for targeted trolling setups

Key Features

  • Buoyant design collects water pressure against its wings to dive.
  • Floats off structure when pressure is relaxed.
  • Designed for river back-trolling applications.
  • Helps present lures and baits tight to the river bottom.
  • Length: 4 in.
  • Running depth: 40 ft.
  • Color: Black Moon Jelly

Best Used For

  • River anglers back-trolling where lures need to run tight to the bottom
  • Users targeting structure and wanting a diver that floats off when pressure relaxes
  • Anglers needing a 40-foot running depth for deeper river presentations
  • Fishermen who prefer a compact 4-inch diver in Black Moon Jelly

Specifications

ColorBlack Moon Jelly
Length4 in.
Running Depth40 ft.

Pros

  • Buoyant design helps it rise off structure when pressure relaxes.
  • Designed for river back-trolling applications.
  • Helps present lures and baits tight to the river bottom.
  • Rated for a 40-foot running depth.
  • Compact 4-inch length for targeted trolling setups.
  • Black Moon Jelly color is clearly specified for rig matching.

Considerations & Trade-offs

  • Designed for river back-trolling, so it is more specialized than a general-purpose diver for other trolling setups.
  • Its 40 ft. running depth is a fixed specification, which may not suit shallower presentations or situations that call for a different depth range.
  • The buoyant design is intended to float off structure when pressure relaxes, which can change how the lure tracks compared with a more rigid diver.
  • Color is limited to Black Moon Jelly on this listing, so there is no alternate color option shown here.

Suggested Comparisons

  • Deep-diving trolling divers
  • River back-trolling lures
  • Trolling accessories for bottom presentation
  • Hard-bodied fishing lures

Suggested Accessories

  • Trolling rod
  • Fishing line
  • Swivels
  • Terminal tackle

Frequently Asked Questions

What is the Luhr-Jensen 40' Jet Driver Black Moon Jelly designed to do?

It is designed to dive by collecting water pressure against its wings, then float off structure when that pressure is relaxed. The product description says it is intended for river back-trolling applications and for presenting lures and baits tight to the river bottom.

How deep will this Jet Diver run?

The listed running depth is 40 ft.

What is the length of this lure?

The provided specification lists the length as 4 in.

What color is this model?

The color listed is Black Moon Jelly.

Is this product meant for river fishing or open-water trolling?

The description specifically identifies it as a diver for river back-trolling applications. No other use cases are stated in the provided data.