Spectra Precision DM-20 Bolt-on Rigid Bulldozer Mast
Rugged Mast Installs Quickly by the Customer with No Welding Necessary, Provides a Permanent Blade Mount for LR Series Machine Display Receivers
The DM-20 is an easy-to-install rigid mast for LR machine display receivers. No welding is required for any machine and no drilling/tapping is required for Trimble Ready machines. The DM-20 is a permanent, rugged mount and mast system that withstands high vibration hard-pan grading. The 42” tall mast provides the ideal LR receiver height for bulldozer applications.
The DM-20 is an optional accessory for the LR machine display receiver family and supports their “off-the-shelf” customer friendly installation. The DM-20 allows customers to easily “Extend the Beam” and increase the productivity benefits of their GC laser purchase.
| Spectra Precision DM-20 Bulldozer Mast FEATURES and BENEFITS |
| Bolt-on Mast, all hardware included |
Easy to install by the customer, no welding necessary |
| Trimble ReadyTM |
No drilling or tapping required on Trimble Ready machines |
| Optional drill and tap kit available |
If purchased, all the customer needs for installation is a drill and wrenches |
| Adjustable mount design |
Fits most bulldozer blades while allowing the mast to be pivoted to the plumb position |
| Highly rugged design |
A permanent mast that won’t shake off, even in hard-pan soil conditions |
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| ORDERING INFORMATION |
| DM-20 |
DM-20 Bolt-on Mast w/ Adjustable Mount and Mounting Hardware |
| D12388 |
DM-20 Drill and Tap Kit (Optional) |
Picture shown with LR50 Machine Receiver attached (not included)
Kit comes with pole, mounting bracket, bolts and mounting instructions.
What’s in the box
What You Receive.
- 1 × Spectra DM-20 42" mast pole
- Adjustable mounting bracket
- Mounting bolts
- Mounting instructions
- Receiver not included; D12388 drill and tap kit sold separately
The part
Fit
Spectra DM-20 Fits These Receivers.
Source: Spectra masts & mounts tile (DM-20: LR20, LR30(W), LR50(W), LR60(W)) and price list; 42-inch height and bolt pattern from your listing and drawings. Not sure it fits your receiver? Call 1-877-866-5721.
Often ordered together
Related Spectra Parts.
Spectra D12388
Seco D12388 Drill and Tap Kit for mounting Spectra DM-20 Bulldozer Ma
See it → $89.95Spectra LR50W-DM
Wireless Laser Machine Display Receiver (NiMH) RD20 Remote Display and
See it → $2,625.00Spectra LR30W-DM
Machine Display Receiver w/ Bulldozer Mast and RD20 Remote Display
See it → $2,195.00Straight answers
Spectra DM-20 — Straight Answers.
Do I have to weld anything?
No. The DM-20 bolts on. On Trimble Ready machines there is no drilling or tapping either; on other dozers you drill and tap the mounting holes (the D12388 kit is optional).
Which receivers go on it?
Spectra lists the DM-20 for the LR20, LR30(W), LR50(W) and LR60(W).
How tall is the mast?
42 inches, which puts the receiver at the right height for dozer work.
Is the receiver included?
No. The photos show a receiver for reference. You get the mast, adjustable bracket, bolts and instructions.
Not sure which part you need? Call
1.877.866.5721 and we will match it to your laser.
Call 1-877-866-5721
Family owned and operated. We set these systems up every week — tell us the machine and the laser you are running and we will spec it before you order.
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