An operator station suspension system including a subframe structure with connection locations, isolators, and suspension components to couple the subframe structure to a chassis and enable movement of the subframe structure relative to the chassis. The subframe structure connects to an operator station at the connection locations with isolators between the subframe structure and operator station at each connection location to reduce noise and vibration. The isolators can be made of rubber, polymer or other materials. Each connection location can have a connection post, and the isolators can be ring-shaped to fit over the connection posts. The suspension components can include shock dampers that enable vertical movement, control linkages that enable pitch motion, and/or stabilizer linkages that enable roll motion of the subframe structure relative to the chassis. The subframe structure can include a rigid body with forward and rearward arms rigidly connected to the rigid body.

An engine module for a mixer vehicle includes an engine, a cooling system, and a hood. The cooling system includes a radiator fluidly coupled to the engine and a fan assembly. The fan assembly includes a fan. The hood includes a housing and a door. The housing has a first end configured to be positioned proximate a mixer drum assembly and a second end configured to be positioned proximate a rear end of a chassis of the mixer vehicle. The housing defines an internal cavity within which the engine and the cooling system is disposed. The first end defines an inlet airflow cavity having a bottom surface and an air inlet. The second end defines an opening. The door is pivotally coupled to the second end and positioned to selectively enclose the opening.

A sound monitoring system for collecting and processing an environmental noise level surrounding a work machine is disclosed. The sound monitoring system may include an acoustic sensor having a plurality of microphones arranged into a signal detection array to capture the environmental noise level and generate an acoustic output signal. Additionally, the sound monitoring system may include a controller communicably coupled to the acoustic sensor and programmed to perform a signal processing to identify a first portion and a second portion of the acoustic output signal. Furthermore, the controller may be programmed to generate a controller output signal based on the first and second portions of the output level. A speaker may be located on the work machine and communicably coupled to the controller such that the speaker receives and emits the controller output signal.

A vehicle includes a dynamic shock absorbing mechanism provided in a cabin. The dynamic shock absorbing mechanism includes a weight support member transversely supported at an upper portion of a cabin frame and extending along a transverse width of a vehicle body; and a weight member supported at a center portion in the vehicle body transverse width direction of the weight support member. The weight support member is an elastic member that has a smaller elastic modulus than an elastic modulus of the cabin frame.

A vibration dampening system for a work vehicle may include a chassis frame, a cab frame, and a suspension assembly coupled between the frames. The suspension assembly may include a superstructure having at least two mounting interfaces for coupling the cab frame to the superstructure and at least one support structure extending at least partially between the mounting interfaces. The support structure(s) include a first end portion, a second end portion opposite the first end portion, and a connector portion extending between the first and second end portions. In addition, the system includes an elastomeric vibration damper provided in association with the connector portion of the support structure(s) such that the vibration damper extends along an outer surface of the support structure(s) along at least a portion of the length of the connector portion. The elastomeric vibration damper is configured to reduce vibrations transmitted through the support structure(s).

Vehicle cab suspension control systems are disclosed herein. In some embodiments, the cab suspension control systems can include front cab-to-frame mounts that include controllable elastomer-based isolators that can provide real time variable damping to improve ride quality and/or road holding and reduce cab roll in response to, for example, input from one or more cab and/or frame mounted accelerometers, position sensors, etc. Embodiments of the control systems described herein can utilize a single vehicle controller (e.g., an ECU) to control all of the cab suspension components (e.g., semi-active damping technologies, air spring technologies, etc.) employed on a vehicle to provide a single suspension control solution that can provide improved ride performance, road holding, etc.

A vehicle includes a frame, a series of tractive assemblies coupled to the frame, a cabin, and a mount. The mount includes a boss coupled to the cabin, a first bracket pivotably coupled to the boss, a second bracket coupled to the frame, and a first isolator and a second isolator extending between the first bracket and the second bracket and coupling the first bracket to the second bracket.

A vehicle bulkhead structure may include a dash panel; a pair of front side members spaced apart from each other and coupled to the dash panel; and a plurality of reinforcement members coupled to a front surface of the dash panel, wherein some of the plurality of reinforcement members support each front side member.

An industrial truck extends along a longitudinal truck axis and comprises a drive section and a stand-on platform positioned on the drive section. The stand-on platform comprises a base element configured to pivot about a first pivot axis and a stand-on element mounted to the base element and configured to pivot about a second pivot axis. The first pivot axis is parallel to the second pivot axis and offset from the second pivot axis by an offset distance in a direction of a longitudinal truck axis, and the stand-on element is configured to extend above the base element to form a standing surface. A first suspension is configured to support the base element and a second suspension is configured to support the stand-on element. The first suspension is positioned at a distance from the second suspension in the direction of the longitudinal truck axis.

A cab mounting apparatus for a vehicle includes a front mount connecting between a front side of a cab and a chassis. A rear mount connects between a rear side of the cab and the chassis. The front mount includes a stabilizer link disposed on a front side of the vehicle, a pair of front brackets individually fixed to the front side of the cab, and a pair of connecting arms individually connecting between respective ends of the stabilizer link and the respective front brackets. Each connecting arm is pivotally connected to each front bracket by a hinge member and a bush. The bush has a pair of stopper members disposed on both ends thereof. The bush and the pair of stopper members are integrated into a single unitary body.