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The Cardinal GM 450
Green Machine
An early entry green concrete saw for dry cutting
technique that cost-effectively…
- eliminates random cracks
- prevents unsightly raveling
- minimizes joint chipping and spalling
Cardinal Saws & Blades, originator of the world’s first Early Entry saw, continues a tradition of innovation by
introducing the new, improved Model GM 450 Green Machine which is designed as a light duty Early
Entry concrete saw. The GM 450 is the smallest and lightest gas powered saw in the Cardinal line. It’s a low
noise, vibration-free, manual push type saw with manual controls for all functions.
An immediate improvement to your bottom line
The GM 450 will minimize your operating expenses and improve your bottom line while delivering
exceptional results.
The GM 450…
- is light weight and equipped with patented FlatTrac™ wheels which permit the cutting operation to
proceed within one to two hours after the finishing process is completed…your time on-the-jobsite is
minimized
- has a low price tag yet outperforms more expensive SOFF-CUT™ saws
- uses the lowest cost, fastest cutting Cardinal Uppercut™ Diamond Blades for Early Entry sawing
- does not require expensive skid plates that can scratch the concrete surface
- and Cardinal’s unique Green Sawing Technique precludes the need to
replace the FlatTrac wheels with every blade change due to Cardinal’s
unique Green Sawing Technique
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Performance features designed into the
GM 450 include…
- adjustable telescoping handle expands up to
51 inches
- four wheel design for maximum stability
- heavy-duty 3/4” spindle shaft
- sealed heavy-duty ball bearings
- easy maneuverability for straight sawing
- patented FlatTrac contact roller wheels
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The Cardinal GM 450 Green Machine Specifications
| Materials Cut |
Uncured green concrete
exclusively |
Physical/Mechanical Specifications |
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Dimensions |
Handle collapsed – 16”
width x 42” length
Handle extended – 16” width x 49” length |
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Weight |
100 pounds |
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Blade
raise/lower system |
Manual release and
engagement near handle bar |
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Guide system |
Convenient manual front
and rear guides |
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Handle |
Telescoping type with
infinitely adjustable length |
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Cutting
distance from Wall |
3-1/4" |
Blade
Specifications |
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Blade type |
6.5" diameter x .095" or
.225" thick dry cut with patented Z Arbor |
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Blade
rotation |
Counter clockwise, up
cutting |
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Blade shaft
speed |
5400 rpm |
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Cutting depth |
3/4" to 1-1/4" (19 mm -
31 mm) regardless of blade wear
(new blade cutting depth of 1-1/2") |
Engine Specifications |
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Gas-powered
engine |
4-1/2 HP (3.2 KW) Subaru
Robin Model EX-13 vibration-free, air-cooled 4 cycle, single slant
cylinder, overhead camshaft gasoline engine |
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Recommended
engine speed |
3600 RPM |
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Optional
electric engine |
1-1/2 HP, 115/230 volt,
totally enclosed, fan cooled |
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Cylinder |
Aluminum with cast iron
liner |
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Controls |
Engine mounted manual
throttle, choke and fuel shut off levers, manual on/off switch |
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Starting
system |
Manual recoil starter
with automatic mechanical compression release and zero kick back |
Fuel - Oil - Cooling - Exhaust |
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Fuel |
Minimum 87 octane rating
unleaded gasoline capacity |
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Fuel capacity |
0.7 gallon (2.7 liters) |
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Oil system |
Oil alert with automatic
shutdown sensor |
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Oil |
SAE 10W-30 viscosity
detergent automotive type with API service class of SE or higher grade |
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Oil capacity |
0.60 quart (0.57 liter) |
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Air filter |
Cyclonic type |
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Muffler |
Silent type 75 dbA,
exhaust deflector, spark arrestor |
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Emissions |
Complies with EPA Phase 2
and CARB Tier II USA regulations |
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Cooling |
Air cooled with internal
and external cooling fins |
Average Cutting Rates* |
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Soft
aggregates |
15 ft/min. (4.7 m/min.) |
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Medium
aggregates |
10 ft/min. (3.0 m/min.) |
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Hard aggregates |
5 ft/min. (1.6 m/min.) |
*Estimates only. Speed will vary with job conditions and concrete mixtures |
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Cardinal UPPERCUT™ Diamond Saw Blades Applications
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Purple |
EE-1 |
Extremely hard aggregates, medium sharp sand |
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Green |
EE-2 |
Hard aggregates, sharp abrasive sand |
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Red |
EE-4 |
Medium aggregates, medium sharp sand |
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Yellow |
EE-6 |
Medium soft aggregates, medium abrasive sand |
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Blue |
EE-8 |
Extremely soft aggregates, non abrasive sand |
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