A draper platform having an elongate, laterally extending frame and suspension system, the suspension system comprising: first and second gauge wheels (218, 220), comprising one gauge wheel located on the left side of the draper platform and another gauge wheel located on the right side of the draper platform; first and second hydraulic cylinders, wherein the first hydraulic cylinder is mechanically coupled to the left side gauge wheel, and further wherein the second hydraulic cylinder is mechanically coupled to the right side gauge wheel; third and fourth hydraulic cylinders disposed to support a central portion of the frame on the feederhouse wherein the third hydraulic cylinder is disposed to support the frame at the left side of the feederhouse and the fourth hydraulic cylinder is disposed to support the frame at the right side of the feederhouse; a first hydraulic circuit comprising a first gas-charged accumulator in fluid communication with the first hydraulic cylinder, a first hydraulic valve in fluid communication with the first gas-charged accumulator and the first and third hydraulic cylinders (306, 406), wherein the first hydraulic valve is configured to control the flow of hydraulic fluid into and out of the first hydraulic circuit; a second hydraulic circuit comprises a second gas-charged accumulator in fluid communication with the second hydraulic cylinder, a second hydraulic valve in fluid communication with the second gas-charged accumulator and the second and fourth hydraulic cylinders (510, 512) wherein the second hydraulic valve (520 is configured to control the flow of hydraulic fluid into and out the second hydraulic circuit, characterised in that: the first gas-charged accumulator is further in fluid communication with the third hydraulic cylinder, and the second gas-charged accumulator is further in fluid communication with the fourth hydraulic cylinder. first and second gauge wheels (218, 220), comprising one gauge wheel located on the left side of the draper platform and another gauge wheel located on the right side of the draper platform; first and second hydraulic cylinders, wherein the first hydraulic cylinder is mechanically coupled to the left side gauge wheel, and further wherein the second hydraulic cylinder is mechanically coupled to the right side gauge wheel; third and fourth hydraulic cylinders disposed to support a central portion of the frame on the feederhouse wherein the third hydraulic cylinder is disposed to support the frame at the left side of the feederhouse and the fourth hydraulic cylinder is disposed to support the frame at the right side of the feederhouse; a first hydraulic circuit comprising a first gas-charged accumulator in fluid communication with the first hydraulic cylinder, a first hydraulic valve in fluid communication with the first gas-charged accumulator and the first and third hydraulic cylinders (306, 406), wherein the first hydraulic valve is configured to control the flow of hydraulic fluid into and out of the first hydraulic circuit; a second hydraulic circuit comprises a second gas-charged accumulator in fluid communication with the second hydraulic cylinder, a second hydraulic valve in fluid communication with the second gas-charged accumulator and the second and fourth hydraulic cylinders (510, 512) wherein the second hydraulic valve (520 is configured to control the flow of hydraulic fluid into and out the second hydraulic circuit, characterised in that: the first gas-charged accumulator is further in fluid communication with the third hydraulic cylinder, and the second gas-charged accumulator is further in fluid communication with the fourth hydraulic cylinder. the first gas-charged accumulator is further in fluid communication with the third hydraulic cylinder, and the second gas-charged accumulator is further in fluid communication with the fourth hydraulic cylinder.