The SM-28 is a multipurpose rig that suits a wide range of civil engineering work requirements. High standard components and advanced hydraulic circuit design have enabled increased rig performance, preserving its reliability, even under extreme conditions. Its smart and compact de-sign allows fast rig assem-bly and ease of transport (even in a container). Minimum operating costs. Soilmec SM-28 versatility unit that can be tailored to any customer need or geological conditions: Top hammer kit Jet Grouting kit CFA kit Double rotary Rod carousel Clamp & guide for CFA 13500 mm feed stroke Mast tilting until 18°
Units
Hoist & Feed System
Specification
US
Metric
Feed Stroke
531.5 in
13,500 mm
Rod Length Type (c/w one rotary head)
10 + 10 + 20 ft
3 + 3 + 6 m
Maximum Hoist Pull (Nominal/Effective)
38,217 lbf
170 m
Maximum Hoist Feed Force (Nominal/Effective)
19,558 lbf
87 kN
Maximum Speed (Fast/Low Operation)
92 / 39 ft/min
28 / 12 m/min
Rotary Head Range
Specification
US
Metric
Gear Box Type
Variable
Variable
Maximum Torque (1st Gear)
24,339 lbf*ft @ 49 rpm
3,300 da Nm @ 49 rpm
Maximum Drilling Speed
137 rpm
137 rpm
Maximum Tools Power (Max Power on Rotary)
159 hp
119 kW
Inner Passage
4.7 in
120 mm
TEST
Specification
US
Metric
Operating Weight (approx.)
72,752 / 83,776 lb
33,000 / 38,000 kg
Undercarriage
Track Shoe Width
23.6 in
600 mm
Wheel Base (centre idler to centre sprocket)
146.1 in
3,710 mm
Overall Length
177.6 in
4,511 mm
Overall Width (ext/retr)
137.8 / 98.4 in
3,500 / 2,500 mm
Travelling Speed
0.86 mph
1.39 km/h
Max Climbing Capacity (Gradeability)
34% (19˚)
34% (19˚)
Average Ground Pressure
12.3 psi
0.085 Mpa
Tail Swing Radius
159.4 in
4050 mm
Ground Stabilizers
n˚2 fixed with inclined arm on front + n˚2 fixed on rear
n˚2 fixed with inclined arm on front + n˚2 fixed on rear
Diesel Engine
Specification
US
Metric
Make and Model
CUMMINS QSB 6.7
CUMMINS QSB 6.7
Emmision Certification
U.S. EPA Tier 4(i) , CARB Tier 4(i), EU Stage III B
U.S. EPA Tier 4(i) , CARB Tier 4(i), EU Stage III B
