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TOP400

12000 FT-LBS CLASS HYDRAULIC BREAKER

Easy operation

Okada breakers are designed to be the best match to the appropriate class of carrier. Nitrogen gas in the top of the piston provides a cushioning effect during the piston ascending stroke, minimizing vibration, which in turn reduces operator fatigue and wear and tear on the equipment.

Enhanced Durability and Longer Life

The square-shaped main body is created using a special alloy and subjected to advanced heat treatment processing, making the hammer body extremely durable. In addition, Okada hammers use fewer parts than competing brands of hydraulic breakers, so there is far less chance of problems developing. New special alloy steels and an advanced heat treatment system enhance main component durability. Medium and heavy class TOP series breakers are compatible with auto lube systems. By adding greasing points, both the shank bushing and front cap bushing are lubricated individually, resulting in longer service life.

Stringent Quality Control and Testing

From material selection and machining to hardening and final assembly, every step of production is controlled by an exhaustive quality control system. To ensure the absolute best quality possible, each unit is fully tested in a specially equipped room dedicated to performance inspection.

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IMPACT ENERGY CLASSFT-LB
JOULES
OPERATING WEIGHTLBS
KG
OIL FLOWGPM
LPM
FREQUENCYBPM L-Mode
BPM S-Mode
OPERATING PRESSUREPSI
BAR
MECHANICAL ENERGYHP
KW
MECHANICAL ENERGY AVG.HP
KW
UNIT WORKING LENGTHINCHES
CM
TOOL DIAMETERINCHES
MM
TOOL WORKING LENGTHINCHES
MM
85DB(A) LEVEL DISTANCEFEET
M
CARRIER WEIGHT RANGE1000 LBS.
TON
TOP400
IMPACT ENERGY CLASSFT-LB12,000
JOULES16,272
OPERATING WEIGHTLBS9350
KG4240
OIL FLOWGPM74-93
LPM280-352
FREQUENCYBPM L-Mode320-400
-
OPERATING PRESSUREPSI2030-2620
BAR140-180
MECHANICAL ENERGYHP103-167
KW77-125
MECHANICAL ENERGY AVG.HP135
KW101
UNIT WORKING LENGTHINCHES145
CM368
TOOL DIAMETERINCHES6.7
MM170
TOOL WORKING LENGTHINCHES36.8
MM935
85DB(A) LEVEL DISTANCEFEET128-173
M39-53
CARRIER WEIGHT RANGE1000 LBS.99-176
TON45-80
TOP205J
IMPACT ENERGY CLASSFT-LB4000
JOULES5424
OPERATING WEIGHTLBS4120
KG1868
OIL FLOWGPM43-53
LPM163-200
FREQUENCYBPM L-Mode370-430
BPM S-Mode500-560
OPERATING PRESSUREPSI2030-2620
BAR140-180
MECHANICAL ENERGYHP60-95
KW45-71
MECHANICAL ENERGY AVG.HP78
KW58
UNIT WORKING LENGTHINCHES103
CM262
TOOL DIAMETERINCHES5.3
MM135
TOOL WORKING LENGTHINCHES27.5
MM699
85DB(A) LEVEL DISTANCEFEET82-115
M25-35
CARRIER WEIGHT RANGE1000 LBS.40-60
TON18-27
TOP270
IMPACT ENERGY CLASSFT-LB5500
JOULES7458
OPERATING WEIGHTLBS5680
KG2576
OIL FLOWGPM47-63
LPM178-238
FREQUENCYBPM L-Mode360-440
BPM S-Mode600-700
OPERATING PRESSUREPSI1850-2420
BAR128-167
MECHANICAL ENERGYHP60-105
KW45-78
MECHANICAL ENERGY AVG.HP82.5
KW62
UNIT WORKING LENGTHINCHES114
CM290
TOOL DIAMETERINCHES5.5
MM140
TOOL WORKING LENGTHINCHES27.7
MM704
85DB(A) LEVEL DISTANCEFEET100-140
M31-43
CARRIER WEIGHT RANGE1000 LBS.44-66
TON20-30
TOP300
IMPACT ENERGY CLASSFT-LB7500
JOULES10,170
OPERATING WEIGHTLBS6650
KG3016
OIL FLOWGPM63-72
LPM238-273
FREQUENCYBPM L-Mode280-420
-
OPERATING PRESSUREPSI2030-2620
BAR140-180
MECHANICAL ENERGYHP88-130
KW66-97
MECHANICAL ENERGY AVG.HP109
KW81
UNIT WORKING LENGTHINCHES126
CM320
TOOL DIAMETERINCHES6.1
MM155
TOOL WORKING LENGTHINCHES32.6
MM828
85DB(A) LEVEL DISTANCEFEET113-158
M34
CARRIER WEIGHT RANGE1000 LBS.62-114
TON28-52
TOP800
IMPACT ENERGY CLASSFT-LB15,000
JOULES20,340
OPERATING WEIGHTLBS12,350
KG5601
OIL FLOWGPM79-101
LPM299-382
FREQUENCYBPM L-Mode260-340
-
OPERATING PRESSUREPSI1990-2620
BAR137-180
MECHANICAL ENERGYHP108-182
KW80-135
MECHANICAL ENERGY AVG.HP145
KW108
UNIT WORKING LENGTHINCHES160
CM406
TOOL DIAMETERINCHES7.4
MM188
TOOL WORKING LENGTHINCHES40.5
MM1029
85DB(A) LEVEL DISTANCEFEET137-185
M42-56
CARRIER WEIGHT RANGE1000 LBS.110-220
TON50-100

Accumulator

Used to reduce pressure spikes in supply and return lines to protect the carrier hydraulic system. The high pressure accumulator is field repairable without removing the breaker from its mountings. Breakers under 4000 lbs. do not require accumulators.

Seals

Cup seals are utilized to secure the flow in the oil and gas chambers.

Nitrogen gas

Cushions piston on the upstroke, eliminating the need for shock absorbers. Increases the piston down stroke force.

Auto-lube

A central grease port with internal grease passage allows you to easily adapt the hammer to most Auto Lube systems.

Working tools

Choice of moil, chisel, blunt and special application tools.

Piston Travel/Long Stroke Design

Travels through one machined piece (no misalignment). The long stroke design reduces shock loads and vibration, which can cause operator fatigue and machine stress. Okada breakers have the highest tolerance to high operational back pressures available without negative operational effects.

Chisel set pin

Heavy dual chisel set pins in many Okada models offer extended service life.