

Oil Injection
Lubricates each drill motor to increase wear life.

Auto-Alignment

Allows for faster repositioning after each hole set for increased productivity.

Foam-Filled Tires

Eliminates flat tires for accurate drilling.

Patented Roller Bearing Feed

Minimizes friction for faster drilling.

Quick Release Bit Guide

Quickly and easily change out one-piece bits, bushings and drill steel.

Automatic Drill Shut-Off

Prevents dry firing to increase drill life and reduce maintenance.

Hole Spacing Guide

Quickly and accurately reposition the drill with the hole-spacing guide for increased productivity.
Complete airport projects, full-depth repair jobs and lane additions faster with the 4-gang 210B-4 SRA slab rider. You can drill up to four holes 18 inches deep every 12 to 36 inches on center. The machine fits in a 4-foot patch and drills with exceptional accuracy without disturbing the subgrade. It requires 400 cfm and can be configured to tow the air compressor, which eliminates the need for extra vehicles and saves space on the jobsite.
Tow Bar Package – Eliminate extra vehicles and achieve one-person operation by towing the air compressor with the drill.
Dust Collection System – Minimize dust with this totally pneumatic system.
On-Grade Conversion Kit – Drill from the grade without buying a second drill.
Horizontal Drilling
Vertical Drilling
Airports
Lane Additions
Full-Depth Repair
- OPTIONS
-
Tow Bar Package – Eliminate extra vehicles and achieve one-person operation by towing the air compressor with the drill.
Dust Collection System – Minimize dust with this totally pneumatic system.
On-Grade Conversion Kit – Drill from the grade without buying a second drill.
- CONFIGURATIONS
-
Horizontal Drilling
Vertical Drilling
- APPLICATIONS
-
Airports
Lane Additions
Full-Depth Repair


Horizontal Position
Lower Length (A) | 47 in (119.4 cm) |
Overall Length (A) + (C) | 117 in (297.2 cm) |
Cart Length (C) | 70 in (177.8 cm) |
Wheel Base (D) | 58 in (147.3 cm) |
Width | 60 in (152.4 cm) |
Height | 44 in (111.8 cm) |
Weight | 2202 lbs (998.8 kg) |
Drill Distance From Corner | 6 in (15.2 cm) |
Drill Distance From Ground | 3 in (7.6 cm) |
Drill Depth (std.) | 18 in (45.7 cm) |
Drill Bit Diameter | 5/8 in to 2 1/2 in (15.9 mm to 63.5 mm) |
Distance From Wheel to Center of Bit | N/A |
Drill Motor (pneumatic) | CP 32A |
Drill Motor Weight | 54 lbs (24.5 kg) |
Chuck Size (std.) | 7/8 in x 3 1/4 in (22.2 mm x 82.6 mm) |
Air Consumption (minimum) | 400 cfm (11.2 m 3 /min) |
Operating Pressure | 90 psi (6.2 bar) |
Impact (ft. lbs./blow) | 36 fpb (49 J) |
Hammer Speed | 2200 bpm |
Speed | 288 rpm |
Vertical Position
Lower Length (A) | 67 1/2 in (171.5 cm) |
Overall Length (A) + (C) | 91 in (231.1 cm) |
Cart Length (C) | 70 in (177.8 cm) |
Wheel Base (D) | 58 in (147.3 cm) |
Width | 60 in (152.4 cm) |
Height | Varies |
Weight | 2202 lbs (998.8 kg) |
Drill Distance From Corner | N/A |
Drill Distance From Ground | up to 12 in (30.5 cm) |
Drill Depth (std.) | 18 in (45.7 cm) |
Drill Bit Diameter | 5/8 in to 2 1/2 in (15.9 mm to 63.5 mm) |
Distance From Wheel To Center of Bit | 23 1/2 in (59.7 cm) |
Drill Motor (pneumatic) | CP 32A |
Drill Motor Weight | 54 lbs (24.5 kg) |
Chuck Size (std.) | 7/8 in x 3 1/4 in (22.2 mm x 82.6 mm) |
Air Consumption (minimum) | 400 cfm (11.2 m 3 /min) |
Operating Pressure | 90 psi (6.2 bar) |
Impact (ft. lbs./blow) | 36 fpb (19.0 J) |
Hammer Speed | 2200 bpm |
Speed | 288 rpm |