INGERSOL RAND SD122 SINGLE DRUM ROLLER
12 TON SINGLE DRUM ROLLER
The Ingersoll Rand SD122 (available in D and DX variants) is a heavy-duty, 12-ton class single-drum vibratory roller engineered to deliver maximum compaction performance on large-scale earthmoving, commercial site prep, and highway infrastructure projects. Driven by a high-torque, 6-cylinder Cummins turbocharged diesel engine, the SD122 effortlessly handles dense materials, granular soils, and cohesive cohesive mixes.
An exceptional choice for rental clients targeting deep-lift compaction, it features an advanced dual-amplitude, dual-frequency vibratory system that allows operators to easily customize the centrifugal compaction forces to match specific soil densities. Its hydrostatic propulsion system—featuring a No-Spin® planetary rear axle differential paired with a dedicated two-speed drum drive—guarantees unmatched gradeability, traction, and steady travel speeds even when conquering steep inclines or muddy, loose terrain.
Technical Specifications
Equipment Parameter | Specification Metric Details |
Engine Model / Type | Cummins QSB5.9-30T 6-Cylinder Turbocharged Diesel |
Engine Output - Gross Power | 156 hp (115.6 kW) @ 2,200 RPM |
Machine Operating Weight (Smooth Drum) | 26,460 lbs (12,002 kg) |
Static Weight at Drum Base | 16,230 lbs (7,361 kg) |
Static Weight at Rear Tires | 10,235 lbs (4,642 kg) |
Compaction Drum Width | 84 in (2,134 mm) |
Compaction Drum Diameter | 59 in (1,499 mm) |
Drum Shell / Wall Thickness | 1.19 in (30 mm) |
Vibration Frequency (Low / High) | 1,225 vpm (20.4 Hz) / 1,850 vpm (30.9 Hz) |
Centrifugal Force (Low Amplitude) | 46,400 lbs (206 kN) |
Centrifugal Force (High Amplitude) | 63,200 lbs (281 kN) |
Theoretical Gradeability | 75% |
Drive / Propulsion Architecture | 2-Speed Hydrostatic Axle & 2-Speed Drum Drive with No-Spin® Differential |
Maximum Forward/Reverse Travel Speed | 8.2 mph (13.1 km/h) |
Rear Tire Equipment Specification | 23.1 x 26 - 8PR R3 Diamond Tread |
Machine Turning Radius (Inside Drum Edge) | 11.3 ft (3,463 mm) |
