Thursday, April 19, 2018
HM Hydra-Mechanical Caliper – Part No: 120-8793
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HM1 Hydra-Mechanical Product Number: 120-8793     Price: $95.84
Available Caliper #120-8793 Configurations

Clear Caliper

Left Hand

Clear Caliper

Right Hand

Caliper No: 120-8793
Wilwood HM1 Hydra-Mechanical Caliper

Wilwood HM1 Hydra-Mechanical Caliper
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HM1 Hydra-Mechanical
Wilwood's HM series Hydra-Mechanical calipers are the perfect rear caliper for utilty vehicles. HM calipers offer options of both left-hand and right-hand units, with piston sizing of either 1.00" or 1.19. HM calipers utilizes a cost effective die cast construction with advanced design and manufacturing techniques which results in a rigid, lightweight and durable caliper.  

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120-8793 - Product Summary
Count: Area (in²): Type: Dust Boot:
1 0.79 Stainless Yes
Rotor Dimensions
Rotor Width(In): Rotor Diameter(In):
0.19 9
Pad Dimensions
Pad Area (in²): Pad Volume (in³):
1.7 0.26
Mount Center(In): Mount Position: Mount Side: Mount Type:
3 Right Hand Floating
Duty Rating & Material
Material: Weight(Lbs):
Aluminum 2.7
Colors & Finishes
Color: Finish:
Clear Clear Anodize
Product Documents
Full Product Product Data Sheet Installation Instructions
Click To View

Vehicle Applications
Driving EnvironmentVehicle Sub-TypesApplication Duty
Power Sports ATV, SnowmobileMedium Duty
Industrial Medium Duty

Product Specifications
Rotor Compatibility
Rotor Width(In): 0.19
Maximum Rotor Width(In): 0.19
Minimum Rotor Width(In): 0.15
Maximum Rotor Diameter(In): 9
Minimum Rotor Diameter(In): 6.5
Brake Pad Specifications
Brake Pad Type 1: 6407
Brake Pad Type 2: N-A
Brake Pad Type 3: N-A
Total Pad Area (in²): 1.7
Total Pad Volume (in³): 0.26
Pad Dimensions & Part Numbers
Pad Dimensions for the HM1 Hydra-Mechanical

Pad Dimensions for the HM1 Hydra-Mechanical
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Piston Specifications
Piston 1 Bore(In): 1
Piston 2 Bore(In):
Piston 3 Bore(In):
Total Piston Area (in²): 0.79
Mounting Specifications
Mount Type: Floating
Mount Side: Right Hand
Mount Center(In): 3
Mount Hole Size(In): 0.67
Mount Height(In):
Inlet Thread Size: M10 x 1.00
Mount Dimensions & Part Numbers
Dimensions for the HM1 Hydra-Mechanical

Dimensions for the HM1 Hydra-Mechanical
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Parts & Accessories
O-Ring Kit: 130-10536
Replacement Dust Boot: 210-6391
Replacement Piston 1: 200-8238
Replacement Piston 2: N-A
Replacement Piston 3: N-A
Replacement Piston 4: N-A
Cross-Over O-Ring Kit: N-A
Bridge Bolt Kit: N-A
Wear Plate L/H: N-A
Wear Plate R/H: N-A
Pad Retainer: N-A
Bleed Screw Kit: 220-6069
Self Bleeder Tube: N-A
Cross-Over Tube: N-A