A bulldozer includes a vehicle frame, a bulldozer blade, an engine, an engine cover and an operator cab. The vehicle frame has a front end and a rear end. The bulldozer blade is disposed in front of the front end of the vehicle frame. The engine is disposed at a front portion of the frame. The engin
A bulldozer includes a vehicle frame, a bulldozer blade, an engine, an engine cover and an operator cab. The vehicle frame has a front end and a rear end. The bulldozer blade is disposed in front of the front end of the vehicle frame. The engine is disposed at a front portion of the frame. The engine cover covers the engine. The operator cab is secured to the frame behind the engine. The operator cab includes a front window disposed on a front face of the operator cab. When the bulldozer blade is placed on the ground, a top surface of the engine cover is disposed below a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer.
대표청구항▼
1. A bulldozer comprising: a vehicle frame having a front end and a rear end;a pair of track frame modules arranged on left and right widthwise sides of the vehicle frame and extending in a longitudinal direction of the vehicle frame;a blade support member supported on the vehicle frame, the blade s
1. A bulldozer comprising: a vehicle frame having a front end and a rear end;a pair of track frame modules arranged on left and right widthwise sides of the vehicle frame and extending in a longitudinal direction of the vehicle frame;a blade support member supported on the vehicle frame, the blade support member including a frontward end and a rearward end, at least a rearward portion including the rearward end of the blade support member being disposed between the track frame modules in a widthwise direction of the vehicle frame;a bulldozer blade supported on the frontward end of the blade support member such that the bulldozer blade is disposed in front of the front end of the vehicle frame;an engine disposed at a front portion of the vehicle frame;an operator cab secured to the frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, an entire top surface of the engine cover is disposed below a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 2. The bulldozer as recited in claim 1, wherein the top surface of the engine cover is downwardly sloped towards the bulldozer blade. 3. The bulldozer as recited in claim 1, further comprising a pair of tank modules disposed respectively on a left side and a right side of the operator cab with a rear end of each of the tank modules being disposed rearwardly of a rear end of the operator cab,a cooling module for cooling the engine, the cooling module being disposed behind the operator cab between the tank modules. 4. The bulldozer as recited in claim 1, wherein the cooling module is disposed adjacent to the operator cab. 5. The bulldozer as recited in claim 1, wherein the cooling module is angled so that an upper end of the cooling module is positioned forward with respect to a lower end of the cooling module. 6. The bulldozer as recited in claim 1, further comprising a pair of tracks arranged on the track frame modules and extending in a forward-to-aft direction on left and right sides of the bulldozer, respectively, for supporting the vehicle frame, with the tracks extending rearwardly of the rear end of the vehicle frame, anda cooling module for cooling the engine, the cooling module being disposed behind the operator cab at a rear end portion of the vehicle frame between the tracks. 7. The bulldozer as recited in claim 2, further comprising a pair of tank modules disposed respectively on a left side and a right side of the operator cab with a rear end of each of the tank modules being disposed rearwardly of a rear end of the operator cab,a cooling module for cooling the engine, the cooling module being disposed behind the operator cab between the tank modules. 8. The bulldozer as recited in claim 2, wherein the cooling module is disposed adjacent to the operator cab. 9. The bulldozer as recited in claim 2, wherein the cooling module is angled so that an upper end the cooling module is positioned forward with respect to a lower end of the cooling module. 10. The bulldozer as recited in claim 2, further comprising a pair of tracks arranged on the track frame modules and extending in a forward-to-aft direction on left and right sides of the bulldozer, respectively, for supporting the vehicle frame, with the tracks extending rearwardly of the rear end of the vehicle frame, anda cooling module for cooling the engine, the cooling module being disposed behind the operator cab at a rear end portion of the vehicle frame between the tracks. 11. The bulldozer as recited in claim 2, wherein the top surface of the engine cover slopes downward starting from an end of the top surface disposed at the lower edge of the front window. 12. A bulldozer comprising: a vehicle frame having a front end and a rear end;a pair of tracks extending in a forward-to-aft direction on left and right sides of the center longitudinal axis of the bulldozer, respectively, for supporting the vehicle frame, with the tracks extending rearwardly of the rear end of the vehicle frame to form a cooling module recess that is disposed laterally between the tracks and at a rear end portion of the frame along the center longitudinal axis;an engine supported on a front portion of the vehicle frame at a location along the center longitudinal axis of the bulldozer; anda cooling module fluidly coupled to the front mounted engine for cooling the front mounted engine, the cooling module arranged at the rear end portion of the vehicle frame within the cooling module recess formed between the tracks, the cooling module being arranged such that the tracks extend beyond a rear end of the cooling module in the aft direction of the bulldozer. 13. The bulldozer as recited in claim 12, further comprising an operator cab secured to the vehicle frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, an entire top surface of the engine cover is disposed below a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 14. The bulldozer as recited in claim 12, further comprising an operator cab secured to the frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, a top surface of the engine cover being downwardly sloped toward the bulldozer blade; the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, the top surface of the engine cover slopes more steeply than a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 15. A bulldozer comprising: a vehicle frame having a front end and a rear end with a center longitudinal axis;an engine disposed at a front portion on the vehicle frame along the center longitudinal axis of the bulldozer;a first tank module disposed on a rear of a first lateral side of the bulldozer;a second tank module disposed on a rear of a second lateral side of the bulldozer with a cooling module recess being formed laterally between the first and second tank modules at a rear end portion of the frame along the center longitudinal axis; anda cooling module fluidly coupled to the engine for cooling the front mounted engine, the cooling module being coupled to the rear end portion of the vehicle frame within the cooling module recess, the cooling module being arranged such that the first tank module and the second tank module both extend beyond a rear end of the cooling module in the aft direction of the bulldozer. 16. The bulldozer as recited in claim 15, further comprising an operator cab secured to the vehicle frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, an entire top surface of the engine cover is disposed below a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 17. The bulldozer as recited in claim 15, further comprising an operator cab secured to the frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, a top surface of the engine cover being downwardly sloped toward the bulldozer blade, the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, the top surface of the engine cover slopes more steeply than a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 18. A bulldozer comprising: a vehicle frame having a front end and a rear end;a pair of track frame modules arranged on left and right widthwise sides of the vehicle frame and extending in a longitudinal direction of the vehicle frame;a blade support member supported on the vehicle frame, the blade support member having a frontward end and a rearward end, at least a rearward portion including the rearward end of the blade support member being disposed between the track frame modules in a widthwise direction of the vehicle frame;a bulldozer blade supported on the frontward ends of the blade support members such that the bulldozer blade is disposed in front of the front end of the vehicle frame;a bulldozer blade disposed in front of the front end of the vehicle frame;an engine disposed at a front portion of the vehicle frame;an operator cab secured to the frame behind the engine, the operator cab including a front window disposed on a front face of the operator cab; andan engine cover covering the engine, a top surface of the engine cover being downwardly sloped toward the bulldozer blade, the engine cover configured and arranged such that when the bulldozer blade is placed on the ground, the top surface of the engine cover slopes more steeply than a line extending between an upper edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 19. The bulldozer as recited in claim 18, wherein the engine cover is configured and arranged such that when the bulldozer blade is placed on the ground, the top surface of the engine cover slopes less steeply than a line extending between a lower edge of the bulldozer blade and a lower edge of the front window as viewed from a side of the bulldozer. 20. The bulldozer as recited in claim 18, wherein the top surface of the engine cover slopes downward starting from an end of the top surface disposed at the lower edge of the front window.
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