Little David LDX-RTB 4.0 Ultra Semi-Automatic Random Case Sealer


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  • Top belt drive
  • Applies 2" tape
  • 185 feet/minute belt speed
In stock

The Little David LDX-RTB 4.0 Ultra case sealer is for companies that need a fast and versatile machine in high-volume environments. This semi-automatic random carton sealer features a pneumatic tape head and is 30% to 80% faster than the competition. The Little David Caselocker 61 pneumatic top tape cartridge offers toolless maintenance and a "tilt-back" feature for easy tape replacement on the top cartridge.


  • Belt speed of 185 feet/minute
  • Allen-Bradley 850 PLC and HMI display technology
  • HMI display technology provides diagnostic information and productivity data
  • Patent pending enhanced head movement technology
  • Locking knife guard for safe operation
  • Top drive assembly travels on Thomson shafts with linear bearings
  • Easy access to motors, electrics, and belts
  • Motors are individually protected from overheating

The Allen Bradley PLC offers the following conveniences:

  1. Ethernet connectivity
  2. Photo-eye that will detect when there are jams in the case sealers
  3. Low tape detection, and when there's no tape detected
  4. Ease of programming and future expandability

Will it tape your case/box?

  • Minimum Box Size: 6" L x 5.5" W x 3.5" H
  • Maximum Box Size: Infinite length x 26" W x 24.5" H

For more options and configurations, request a quote or give one of our packaging experts a call at 800.826.4405 to help you find the best machine for your needs.

Save on Your Packing Tape

You can save 10% on your machine carton sealing tape order when you purchase it along with a case sealer. You'll instantly save 10% off of the tape when you add both to your cart.

Operating Weight 570
Manufacturer Signode
Brand Little David
Manufacturer SKU LDX-RTB-4.0
Rocket Part Number 143474
Tape Head Width 2" - Standard
Operation Type Semi-Automatic
Sealer Type Random
Belt Orientation Top & Bottom
Belt Speed 185 fpm
Minimum Box Width 5.5"
Minimum Box Length 6"
Minimum Box Height 3.5"
Maximum Box Width 26"
Maximum Box Length Infinite
Maximum Box Height 24.5"
Motor 0.17 HP top drive motor, 0.33 HP bottom drive motor
Power Requirements 115V
Air Requirements 7 SCFM @ 85 PSI
Warranty 1 years parts, 2 years motor, 3 years cartridge
Dimensions 46.25" L x 34" W x 60" H
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