Machine models

New Holland HW305 to HW365 specifications

Entries in this reference
Listing-entry count
5

Short answer

New Holland HW305 to HW365: swathers.

Selected configuration figures
Configuration	Documented field and quantity
HW305	Power 98 hp Operating Weight W/O Attachment 10,235 lb
HW305S	Power 120 hp Operating Weight W/O Attachment 10,235 lb
HW325	Power 120 hp Operating Weight W/O Attachment 10,950 lb
HW345	Power 186 hp Operating Weight W/O Attachment 12,300 lb
HW365	Power 225 hp Operating Weight W/O Attachment 12,300 lb

HW305 to HW365 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
New Holland	HW305 to HW365	5	HW305, HW305S, HW325, HW345, and HW365

Dimensions and weight
Specification	HW305	HW305S	HW325	HW345	HW365
Length W/ Header	23.31 ft	23.31 ft	23.31 ft	22.17 ft	22.17 ft
Height To Top Of Cab	11.07 ft	11.07 ft	11.07 ft	11.26 ft	11.26 ft
Wheelbase	11.22 in	11.22 in	11.22 in	11.44 in	11.44 in
Ground Clearance	33.86 in	33.86 in	36.3 in	36.3 in	39.41 in
Length W/O Header	16.52 ft	16.52 ft	16.59 ft	16.59 ft	16.59 ft
Rear Wheel Tread Width - Max	120 in	120 in	120 in	120 in	120 in
Rear Wheel Tread Width - Min	90 in	90 in	90 in	90 in	90 in
Front Wheel Tread Width	126.97 in	126.97 in	126.97 in	130.24 in	130.24 in

Engine
Specification	HW305	HW305S	HW325	HW345	HW365
Number Of Cylinders	4	4	4	6	6
Power	98 hp	120 hp	120 hp	186 hp	225 hp
Power Measured @	2,300 rpm	2,300 rpm	2,300 rpm	2,100 rpm	2,100 rpm
Displacement	274 cu in	274 cu in	274 cu in	456 cu in	456 cu in
Aspiration	Turbocharged, air-to-air intercooler	Turbocharged	Turbocharged with air-to-air intercooler	Turbocharged with air-to-air intercooler	Turbocharged with air-to-air intercooler

Operational
Specification	HW305	HW305S	HW325	HW345	HW365
Operating Weight W/O Attachment	10,235 lb	10,235 lb	10,950 lb	12,300 lb	12,300 lb
Fuel Capacity	73 gal	73 gal	120 gal	120 gal	120 gal
Operating Voltage	12 V	12 V	12 V	24 V	24 V
Alternator Supplied Amperage	135 amps	135 amps	135 amps	135 amps	135 amps

Transmission and speeds
Specification	HW305	HW305S	HW325	HW345	HW365
Transmission Type	hydrostatic	hydrostatic	2-speed hydrostatic	2-speed hydrostatic	2-speed hydrostatic
Max Speed	11 mph	11 mph	16.5 mph	18 mph	18 mph
Final Drive Type	Planetary Hubs	Planetary Hubs	Planetary Hubs	Planetary Hubs	Planetary Hubs

Specification	HW305	HW305S
Number Of Forward Gears	1	1
Number Of Reverse Gears	1	1

Variants — Source comparison annotation
Source guide	Differing-field count reported
HW305 to HW365	18

Ratios
Figure	HW305	HW305S	HW325	HW345	HW365
Engine horsepower per 1,000 lb of weight	9.6	11.7	11.0	15.1	18.3
Fuel tank per engine horsepower	0.74 gal	0.61 gal	1.00 gal	0.65 gal	0.53 gal

New Holland HW305 to HW365: swather

History and service record of HW305 to HW365

Catalogue period. Messick's parts catalogue lists the New Holland HW365 self-propelled windrower for 11/2004 to 08/2007. New Holland HW365 SP windrower, Messick's parts catalogue.
Production years. Parts catalogues date the HW305 to February 2005 through August 2007 and the HW365 to November 2004 through August 2007. New Holland HW305 SP windrower (02/05 - 08/07), Messick's.
The HW range. The HW series Speedrower self-propelled windrowers ran from the HW305 through HW325, HW345 and HW365; the HW345 and HW365 have dual cab switches to control left and right flotation. New Holland HW Series Speedrower brochure.
Manuals. Service manuals for the HW305, HW305S and HW325 windrowers are widely circulated online. New Holland HW305 service manual, SlideShare.

Used market for the HW305 to HW365 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	TractorHouse	New Holland swather	7

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
HW305	1	2005	None shown	None shown	None shown	None shown
HW325	1	2003	$39,900	$39,900	$39,900	None shown
HW345	1	2005	$69,995	$69,995	$69,995	None shown
HW365	4	2005 to 2006	$42,900	$56,000	$49,000	1,416

HW305 to HW365: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	New Holland together with the swather HW305, HW305S, HW325, HW345	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: New Holland HW305 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: New Holland HW305S — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: New Holland HW325 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: New Holland HW345 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: New Holland HW365 — RitchieSpecs. Observed 2026-09-24.
Published history	Published history Source: New Holland HW365 SP windrower, Messick's parts catalogue — Messick's. Observed 2026-09-25.
Published history	Published history Source: New Holland HW305 SP windrower (02/05 - 08/07), Messick's — Messick's. Observed 2026-09-25.
Published history	Published history Source: New Holland HW Series Speedrower brochure — Markusson. Observed 2026-09-25.
Published history	Published history Source: New Holland HW305 service manual, SlideShare — Slideshare. Observed 2026-09-25.
Used-market listings	Used-market listings: TractorHouse listings for New Holland HW305 — TractorHouse. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for New Holland — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

New Holland HW305 to HW365: Configuration records

HW305

Specification	Source figure
Dimensions and weight
Length W/ Header	23.31 ft
Height To Top Of Cab	11.07 ft
Engine
Number Of Cylinders	4
Power	98 hp
Power Measured @	2,300 rpm
Displacement	274 cu in
Aspiration	Turbocharged, air-to-air intercooler
Operational
Operating Weight W/O Attachment	10,235 lb
Fuel Capacity	73 gal
Operating Voltage	12 V
Alternator Supplied Amperage	135 amps
Transmission and speeds
Transmission Type	hydrostatic
Number Of Forward Gears	1
Number Of Reverse Gears	1
Max Speed	11 mph
Final Drive Type	Planetary Hubs
Additional specifications
Ground Clearance	33.86 in
Length W/O Header	16.52 ft
Rear Wheel Tread Width - Max	120 in
Rear Wheel Tread Width - Min	90 in
Front Wheel Tread Width	126.97 in

Source

HW305S

Specification	Source figure
Dimensions and weight
Length W/ Header	23.31 ft
Height To Top Of Cab	11.07 ft
Engine
Number Of Cylinders	4
Power	120 hp
Power Measured @	2,300 rpm
Displacement	274 cu in
Aspiration	Turbocharged
Operational
Operating Weight W/O Attachment	10,235 lb
Fuel Capacity	73 gal
Operating Voltage	12 V
Alternator Supplied Amperage	135 amps
Transmission and speeds
Transmission Type	hydrostatic
Number Of Forward Gears	1
Number Of Reverse Gears	1
Max Speed	11 mph
Final Drive Type	Planetary Hubs
Additional specifications
Ground Clearance	33.86 in
Length W/O Header	16.52 ft
Rear Wheel Tread Width - Max	120 in
Rear Wheel Tread Width - Min	90 in
Front Wheel Tread Width	126.97 in

Source

HW325

Specification	Source figure
Dimensions and weight
Length W/ Header	23.31 ft
Height To Top Of Cab	11.07 ft
Engine
Number Of Cylinders	4
Power	120 hp
Power Measured @	2,300 rpm
Displacement	274 cu in
Aspiration	Turbocharged with air-to-air intercooler
Operational
Operating Weight W/O Attachment	10,950 lb
Fuel Capacity	120 gal
Operating Voltage	12 V
Alternator Supplied Amperage	135 amps
Transmission and speeds
Transmission Type	2-speed hydrostatic
Max Speed	16.5 mph
Final Drive Type	Planetary Hubs
Additional specifications
Ground Clearance	36.3 in
Length W/O Header	16.59 ft
Rear Wheel Tread Width - Max	120 in
Rear Wheel Tread Width - Min	90 in
Front Wheel Tread Width	126.97 in

Source

HW345

Specification	Source figure
Dimensions and weight
Length W/ Header	22.17 ft
Height To Top Of Cab	11.26 ft
Engine
Number Of Cylinders	6
Power	186 hp
Power Measured @	2,100 rpm
Displacement	456 cu in
Aspiration	Turbocharged with air-to-air intercooler
Operational
Operating Weight W/O Attachment	12,300 lb
Fuel Capacity	120 gal
Operating Voltage	24 V
Alternator Supplied Amperage	135 amps
Transmission and speeds
Transmission Type	2-speed hydrostatic
Max Speed	18 mph
Final Drive Type	Planetary Hubs
Additional specifications
Ground Clearance	36.3 in
Length W/O Header	16.59 ft
Rear Wheel Tread Width - Max	120 in
Rear Wheel Tread Width - Min	90 in
Front Wheel Tread Width	130.24 in

Source

HW365

Specification	Source figure
Dimensions and weight
Length W/ Header	22.17 ft
Height To Top Of Cab	11.26 ft
Engine
Number Of Cylinders	6
Power	225 hp
Power Measured @	2,100 rpm
Displacement	456 cu in
Aspiration	Turbocharged with air-to-air intercooler
Operational
Operating Weight W/O Attachment	12,300 lb
Fuel Capacity	120 gal
Operating Voltage	24 V
Alternator Supplied Amperage	135 amps
Transmission and speeds
Transmission Type	2-speed hydrostatic
Max Speed	18 mph
Final Drive Type	Planetary Hubs
Additional specifications
Ground Clearance	39.41 in
Length W/O Header	16.59 ft
Rear Wheel Tread Width - Max	120 in
Rear Wheel Tread Width - Min	90 in
Front Wheel Tread Width	130.24 in

Source

More in New Holland: T9.390–T9050, D150–DC150B XLT, TK4.80F–TK4060.

New Holland HW305 to HW365 specifications

New Holland HW305 to HW365: swather

History and service record of HW305 to HW365

Sources for this page

New Holland HW305 to HW365: Configuration records