On-Site Line Boring
Restore and re-machine worn pivot pin bores and bushing housings to factory OEM tolerances directly at your location.
Precision Portable Machining
Specialists in precision portable line boring, heavy structural welding, and hydraulic cylinder repair. We bring our mobile workshop directly to your quarry, jobsite, or yard across Florida.

DANIEL RR TRUCK LLC
Tel: (786) 906-5757 · Miami & Florida
Send a photo or video via WhatsApp or call us at (786) 906-5757 for an immediate on-site estimate.
Mobile service · 24/7 emergency response
What we do
The right precision tools, portable boring machine, and heavy mobile truck to get your equipment running without a shop trip.
Restore and re-machine worn pivot pin bores and bushing housings to factory OEM tolerances directly at your location.
Precision Portable Machining
Heavy structural welding, boom and arm crack repairs, chassis reinforcement, bucket rebuilds, and complete machine maintenance.
Mobile Heavy Welding
Complete diagnostic and overhaul of hydraulic cylinders: high-pressure seal replacement, rod refurbishment, and immediate leak repair.
Hydraulic Cylinders & Seals
Self-contained heavy service truck with generator, multi-process welder, and line boring rig ready to deploy anywhere in Florida.
Statewide Florida Coverage
Real Work in Florida
Real job photographs of portable line boring, hydraulic cylinder repair, and heavy equipment structural welding by Daniel RR Truck LLC.
Caterpillar 320 excavator: cracked bushing removed, bore welded and re-machined back to factory OEM tolerance on site.
Precision line boring of 4 pivot pin housings, structural welding reinforcement, and industrial yellow finish.
Daniel RR Truck LLC heavy field service truck outfitted for line boring and high-tensile welding across Florida.
Industrial welding equipment, boom and stick structural restoration, and comprehensive heavy machine maintenance.
Sleeve installation and millimeter-accurate bore alignment on heavy excavator bucket in staging yard.
Crack gouging, bevelling, and full-penetration structural welding on heavy-duty PowerTrac tracked machinery.
Watch real jobsite video demonstrations on our channels:
Fast Turnaround
Down equipment costs hundreds of dollars per hour. We solve the problem directly on your active jobsite.
Send a WhatsApp video or call (786) 906-5757 showing the damaged bore, boom crack, or cylinder leak for a rapid diagnosis.
Our fully equipped service truck travels to your job site or quarry with portable line boring, cutting, and welding tools.
We build up, machine back to original spec, weld, or replace hydraulic seals on-site with zero machine teardown or towing fees.
Equipment we handle
From excavators and loaders to heavy trucks and trailers, we repair and maintain the commercial fleets and heavy equipment that keeps Florida working.
Where we work
Our mobile unit covers Miami-Dade, Broward, Palm Beach, and projects across the entire state. Tell us where the equipment is and we roll out to your location.
Common questions
We specialize in on-site line boring, heavy equipment welding and machinery maintenance, hydraulic cylinder repair, and 24/7 mobile field response.
Line boring restores worn equipment bores right at your jobsite. We align, build up with weld, and machine the bore to OEM factory tolerances for new pins and bushings without hauling the machine.
Yes. Daniel RR Truck LLC operates a fully equipped service truck delivering mobile structural welding in Miami-Dade, Broward, Palm Beach, and across all Florida counties.
Yes. We diagnose and overhaul hydraulic cylinders on-site, including high-pressure seal replacement, rod repair, and stopping hydraulic leaks to minimize downtime.
Call us directly at (786) 906-5757 or send photos/videos via WhatsApp. We will provide an immediate estimate and dispatch our mobile rig to your location.

Direct 24/7 Contact
Call us at (786) 906-5757 or message via WhatsApp with your location and machine photos. We respond immediately to plan the repair.