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JCB TM320 to TM420 specifications

Entries in this reference
Listing-entry count
4
Short answer

JCB TM320 to TM420: wheel loaders.

Selected configuration figures
ConfigurationDocumented field and quantity
TM320
Net Power
115 hp
Operating Weight
17,990 lb
TM320 Wastemaster
Net Power
115 hp
Operating Weight
17,990 lb
TM320S
Net Power
135 hp
Operating Weight
17,990 lb
TM420
Net Power
135 hp
Operating Weight
21,010 lb
TM320 to TM420 specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
JCBTM320 to TM4204TM320, TM320 Wastemaster, TM320S, and TM420
Dimensions and weight
SpecificationTM320TM320 WastemasterTM320STM420
Ground Clearance1.55 ft1.55 ft1.55 ft1.53 ft
Width Over Tires7.71 ft7.71 ft7.71 ft7.71 ft
Height To Top Of Cab8.87 ft8.87 ft8.87 ft9.28 ft
Wheelbase8.37 ft8.37 ft8.37 ft9.05 ft
Hinge Pin - Max Height17.61 ft17.61 ft17.61 ft18.58 ft
Center Of Front Axle To Counterweight (Pusher)7.04 ft7.04 ft7.04 ft5.65 ft
Height To Top Of Boom Pivot72.25 in72.25 in72.25 in77.76 in
Overall Length20.75 ft20.75 ft20.75 ft23.01 ft
Turning Radius - Inside6.57 ft6.57 ft6.57 ft12.73 ft
Wheel Track73.63 in73.63 in73.63 in73.23 in
Dump Reach36.74 in36.74 in36.74 in28.94 in
Dump Height14.8 ft14.8 ft14.8 ft14.48 ft
SpecificationTM320TM320 WastemasterTM320S
Length With Bucket On Ground20.75 ft20.75 ft20.75 ft
Engine
SpecificationTM320TM320 WastemasterTM320STM420
Capacity1.2 gal1.2 gal1.3 gal1.3 gal
Number Of Cylinders4444
Engine MakeJCBJCBJCBJCB
Engine ModelEcoMAXEcoMAXEcoMAXEcoMAX
Net Power115 hp115 hp135 hp135 hp
Gross Power125 hp125 hp145 hp145 hp
Power Measured @2,200 rpm2,200 rpm2,200 rpm2,200 rpm
Max Torque550 Nm550 Nm560 Nm560 Nm
Torque Measured @1,500 rpm1,500 rpm1,500 rpm1,500 rpm
AspirationTurbocharged-charge cooledTurbocharged-charge cooledTurbocharged-charge cooledTurbocharged-charge cooled
SpecificationTM320TM320 WastemasterTM320S
Bore4.1 in4.1 in4.2 in
Stroke5.2 in5.2 in5.4 in
Capacities
SpecificationTM320TM320 WastemasterTM320STM420
Hydraulic Oil Tank25.7 gal25.7 gal25.7 gal25.7 gal
Fuel Tank42.3 gal42.3 gal42.3 gal42.3 gal
DEF Tank7.7 gal7.7 gal7.7 gal7.7 gal
Engine Oil3.7 gal3.7 gal3.7 gal3.7 gal
Dropbox0.4 gal0.4 gal0.4 gal0.4 gal
SpecificationTM420
Transmission5.1 gal
Operational
SpecificationTM320TM320 WastemasterTM320STM420
Operating Weight17,990 lb17,990 lb17,990 lb21,010 lb
SpecificationTM320 Wastemaster
Turning Radius6.6 ft
Electrical
SpecificationTM320TM320 WastemasterTM320S
Voltage12 V12 V12 V
SpecificationTM320TM320 WastemasterTM320STM420
Alternator150 Amp Hour150 Amp Hour150 Amp Hour150 Amp Hour
Battery Capacity120 Amp Hour120 Amp Hour120 Amp Hour120 Amp Hour
Transmission and speeds
SpecificationTM320TM320 WastemasterTM320STM420
MakeJCBJCBJCBJCB
ModelPS760 - 6 SpeedPS760 - 6 SpeedPS760 - 6 SpeedPS760 - 6 Speed
Transmission TypePowershiftPowershiftPowershiftPowershift
Max Speed - Forward24.9 mph12.5 mph24.9 mph24.9 mph
Weights
SpecificationTM320TM320 WastemasterTM320STM420
Front Axle Weight6,019 lb6,019 lb6,019 lb7,231 lb
Rear Axle Weight12,059 lb12,059 lb12,059 lb13,779 lb
Hydraulic System
SpecificationTM320TM320 WastemasterTM320STM420
Max Operating Pressure230 bar230 bar230 bar260 bar
Pump Flow Capacity37 gpm37 gpm42.3 gpm42.3 gpm
Pump TypeVariable displacement piston pumpVariable displacement piston pumpVariable displacement piston pumpVariable displacement piston pump
Variants — Source comparison annotation
Source guideDiffering-field count reported
TM320 to TM42027
Ratios
FigureTM320TM320 WastemasterTM320STM420
Engine horsepower per 1,000 lb of weight6.46.47.56.4
Pump flow per engine horsepower0.32 gpm0.32 gpm0.31 gpm0.31 gpm
Fuel tank per engine horsepower0.37 gal0.37 gal0.31 gal0.31 gal

History and service record of TM320 to TM420

  • TM420 Agri engine. JCB's US page says the TM420 Agri telescopic wheel loader has a Tier 4 Final 4.8-litre JCB EcoMAX engine producing 145 hp (108 kW) and 413 ft-lb (560 Nm) of torque with a variable geometry turbo. TM420 Agri telescopic wheel loader, JCB.
  • TM420 reach and cab. The TM420 has a maximum lift height of 17 ft 8 in (5.4 m) and 10 ft (3 m) of forward reach, and its cab has a new JCB HVAC system with a 3-speed fan and heater, a reverse alarm as standard and an optional rear-view camera on the in-cab colour monitor. TM420 Agri telescopic wheel loader, JCB.
  • TM420S. JCB calls the Stage V TM420S its top-of-the-range and most powerful telescopic wheel loader yet, with an 8-speed transmission with torquelock for improved load retention and a new transmission and fuel-saving features designed for maximum efficiency. TM420S Agri telescopic wheel loader, JCB.
  • Stage V TM range. JCB's Stage V brochure lists the TM320, TM320S, TM420 and TM420S at 97 to 129 kW (130 to 173 hp), 3,200 to 4,100 kg lift capacity and 5.2 to 5.45 m lift height, with a 4.8 litre DieselMAX engine and an 8-speed powershift with TorqueLock. TM320 / TM420 telescopic wheel loader Stage V brochure, JCB.
  • TM420S hydraulics. The flagship TM420S has twin variable hydraulic pumps for greater flow at low engine speed, and boom cycle speeds of the standard TM420 are reached at a quiet 1,700 rpm. TM320 / TM420 telescopic wheel loader Stage V brochure, JCB.
  • Auto Smoothride. JCB's Auto Smoothride System engages above 4 mph (6 km/h) to improve load retention and comfort. TM320 / TM420 telescopic wheel loader Stage V brochure, JCB.
TM320 to TM420: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
The Farming Forumwheel loaderJCB and the TM320 line that the TM320, TM320 Wastemaster, TM320S, TM420 belongs to (no title names the exact model)56
Topics named by those titles
Title topicTitles
electrical and sensors8
engine power and smoke2
hydraulics2
Topic in the titleThreadsShare of matching threads
electrical and sensors814%
engine power and smoke24%
hydraulics24%
Used market for the TM320 to TM420 — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderJCB wheel loader235
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
TM320862013 to 2026$64,900$209,055$106,248None shown
TM320 Wastemaster862013 to 2026$64,900$209,055$106,248None shown
TM320S212014 to 2026$44,366$135,499$79,3965,500
TM420422019 to 2026$78,900$189,000$141,9505,799
TM320 to TM420: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionJCB together with the wheel loader TM320, TM320 Wastemaster, TM320S, TM420No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: JCB TM320 — RitchieSpecs. Observed 2026-09-24.
Reference site
Reference site
  • Reference site: JCB TM320S — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: JCB TM420 — RitchieSpecs. Observed 2026-09-24.
Forum threads
Published history
Published history
Published history
Used-market listings
Federal agency data

JCB TM320 to TM420: Configuration records

TM320
SpecificationSource figure
Dimensions and weight
Ground Clearance1.55 ft
Length With Bucket On Ground20.75 ft
Width Over Tires7.71 ft
Height To Top Of Cab8.87 ft
Wheelbase8.37 ft
Hinge Pin - Max Height17.61 ft
Center Of Front Axle To Counterweight (Pusher)7.04 ft
Height To Top Of Boom Pivot72.25 in
Overall Length20.75 ft
Turning Radius - Inside6.57 ft
Wheel Track73.63 in
Dump Reach36.74 in
Dump Height14.8 ft
Engine
Number Of Cylinders4
Engine ModelEcoMAX
Net Power115 hp
Gross Power125 hp
Power Measured @2,200 rpm
Max Torque550 Nm
Torque Measured @1,500 rpm
AspirationTurbocharged-charge cooled
Capacity1.2 gal
Engine MakeJCB
Bore4.1 in
Stroke5.2 in
Operational
Operating Weight17,990 lb
Transmission and speeds
Transmission TypePowershift
Max Speed - Forward24.9 mph
MakeJCB
ModelPS760 - 6 Speed
Hydraulic System
Pump Flow Capacity37 gpm
Pump TypeVariable displacement piston pump
Max Operating Pressure230 bar
Capacities
Hydraulic Oil Tank25.7 gal
Fuel Tank42.3 gal
DEF Tank7.7 gal
Engine Oil3.7 gal
Dropbox0.4 gal
Electrical
Voltage12 V
Alternator150 Amp Hour
Battery Capacity120 Amp Hour
Weights
Front Axle Weight6,019 lb
Rear Axle Weight12,059 lb

Source

TM320 Wastemaster
SpecificationSource figure
Dimensions and weight
Ground Clearance1.55 ft
Length With Bucket On Ground20.75 ft
Width Over Tires7.71 ft
Height To Top Of Cab8.87 ft
Wheelbase8.37 ft
Hinge Pin - Max Height17.61 ft
Center Of Front Axle To Counterweight (Pusher)7.04 ft
Height To Top Of Boom Pivot72.25 in
Overall Length20.75 ft
Turning Radius - Inside6.57 ft
Wheel Track73.63 in
Dump Reach36.74 in
Dump Height14.8 ft
Engine
Number Of Cylinders4
Engine ModelEcoMAX
Net Power115 hp
Gross Power125 hp
Power Measured @2,200 rpm
Max Torque550 Nm
Torque Measured @1,500 rpm
AspirationTurbocharged-charge cooled
Capacity1.2 gal
Engine MakeJCB
Bore4.1 in
Stroke5.2 in
Operational
Operating Weight17,990 lb
Turning Radius6.6 ft
Transmission and speeds
Transmission TypePowershift
Max Speed - Forward12.5 mph
MakeJCB
ModelPS760 - 6 Speed
Hydraulic System
Pump Flow Capacity37 gpm
Pump TypeVariable displacement piston pump
Max Operating Pressure230 bar
Capacities
Hydraulic Oil Tank25.7 gal
Fuel Tank42.3 gal
DEF Tank7.7 gal
Engine Oil3.7 gal
Dropbox0.4 gal
Electrical
Voltage12 V
Alternator150 Amp Hour
Battery Capacity120 Amp Hour
Weights
Front Axle Weight6,019 lb
Rear Axle Weight12,059 lb

Source

TM320S
SpecificationSource figure
Dimensions and weight
Ground Clearance1.55 ft
Length With Bucket On Ground20.75 ft
Width Over Tires7.71 ft
Height To Top Of Cab8.87 ft
Wheelbase8.37 ft
Hinge Pin - Max Height17.61 ft
Center Of Front Axle To Counterweight (Pusher)7.04 ft
Height To Top Of Boom Pivot72.25 in
Overall Length20.75 ft
Turning Radius - Inside6.57 ft
Wheel Track73.63 in
Dump Reach36.74 in
Dump Height14.8 ft
Engine
Number Of Cylinders4
Engine ModelEcoMAX
Net Power135 hp
Gross Power145 hp
Power Measured @2,200 rpm
Max Torque560 Nm
Torque Measured @1,500 rpm
AspirationTurbocharged-charge cooled
Capacity1.3 gal
Engine MakeJCB
Bore4.2 in
Stroke5.4 in
Operational
Operating Weight17,990 lb
Transmission and speeds
Transmission TypePowershift
Max Speed - Forward24.9 mph
MakeJCB
ModelPS760 - 6 Speed
Hydraulic System
Pump Flow Capacity42.3 gpm
Pump TypeVariable displacement piston pump
Max Operating Pressure230 bar
Capacities
Hydraulic Oil Tank25.7 gal
Fuel Tank42.3 gal
DEF Tank7.7 gal
Engine Oil3.7 gal
Dropbox0.4 gal
Electrical
Voltage12 V
Alternator150 Amp Hour
Battery Capacity120 Amp Hour
Weights
Front Axle Weight6,019 lb
Rear Axle Weight12,059 lb

Source

TM420
SpecificationSource figure
Dimensions and weight
Ground Clearance1.53 ft
Width Over Tires7.71 ft
Height To Top Of Cab9.28 ft
Wheelbase9.05 ft
Hinge Pin - Max Height18.58 ft
Center Of Front Axle To Counterweight (Pusher)5.65 ft
Height To Top Of Boom Pivot77.76 in
Overall Length23.01 ft
Turning Radius - Inside12.73 ft
Wheel Track73.23 in
Dump Reach28.94 in
Dump Height14.48 ft
Engine
Number Of Cylinders4
Engine ModelEcoMAX
Net Power135 hp
Gross Power145 hp
Power Measured @2,200 rpm
Max Torque560 Nm
Torque Measured @1,500 rpm
AspirationTurbocharged-charge cooled
Capacity1.3 gal
Engine MakeJCB
Operational
Operating Weight21,010 lb
Transmission and speeds
Transmission TypePowershift
Max Speed - Forward24.9 mph
MakeJCB
ModelPS760 - 6 Speed
Hydraulic System
Pump Flow Capacity42.3 gpm
Pump TypeVariable displacement piston pump
Max Operating Pressure260 bar
Capacities
Hydraulic Oil Tank25.7 gal
Fuel Tank42.3 gal
DEF Tank7.7 gal
Engine Oil3.7 gal
Dropbox0.4 gal
Transmission5.1 gal
Electrical
Alternator150 Amp Hour
Battery Capacity120 Amp Hour
Weights
Front Axle Weight7,231 lb
Rear Axle Weight13,779 lb

Source

Compare JCB TM320, TM320 Wastemaster, TM320S, TM420
Dimensions and weight
SpecificationTM320TM320 WastemasterTM320STM420
Ground Clearance1.55 ft1.55 ft1.55 ft1.53 ft
Width Over Tires7.71 ft7.71 ft7.71 ft7.71 ft
Height To Top Of Cab8.87 ft8.87 ft8.87 ft9.28 ft
Wheelbase8.37 ft8.37 ft8.37 ft9.05 ft
Hinge Pin - Max Height17.61 ft17.61 ft17.61 ft18.58 ft
Center Of Front Axle To Counterweight (Pusher)7.04 ft7.04 ft7.04 ft5.65 ft
Height To Top Of Boom Pivot72.25 in72.25 in72.25 in77.76 in
Overall Length20.75 ft20.75 ft20.75 ft23.01 ft
Turning Radius - Inside6.57 ft6.57 ft6.57 ft12.73 ft
Wheel Track73.63 in73.63 in73.63 in73.23 in
Dump Reach36.74 in36.74 in36.74 in28.94 in
Dump Height14.8 ft14.8 ft14.8 ft14.48 ft
Engine
SpecificationTM320TM320 WastemasterTM320STM420
Capacity1.2 gal1.2 gal1.3 gal1.3 gal
Number Of Cylinders4444
Engine MakeJCBJCBJCBJCB
Engine ModelEcoMAXEcoMAXEcoMAXEcoMAX
Net Power115 hp115 hp135 hp135 hp
Gross Power125 hp125 hp145 hp145 hp
Power Measured @2,200 rpm2,200 rpm2,200 rpm2,200 rpm
Max Torque550 Nm550 Nm560 Nm560 Nm
Torque Measured @1,500 rpm1,500 rpm1,500 rpm1,500 rpm
AspirationTurbocharged-charge cooledTurbocharged-charge cooledTurbocharged-charge cooledTurbocharged-charge cooled
Capacities
SpecificationTM320TM320 WastemasterTM320STM420
Hydraulic Oil Tank25.7 gal25.7 gal25.7 gal25.7 gal
Fuel Tank42.3 gal42.3 gal42.3 gal42.3 gal
DEF Tank7.7 gal7.7 gal7.7 gal7.7 gal
Engine Oil3.7 gal3.7 gal3.7 gal3.7 gal
Dropbox0.4 gal0.4 gal0.4 gal0.4 gal
Operational
SpecificationTM320TM320 WastemasterTM320STM420
Operating Weight17,990 lb17,990 lb17,990 lb21,010 lb
Electrical
SpecificationTM320TM320 WastemasterTM320STM420
Alternator150 Amp Hour150 Amp Hour150 Amp Hour150 Amp Hour
Battery Capacity120 Amp Hour120 Amp Hour120 Amp Hour120 Amp Hour
Transmission and speeds
SpecificationTM320TM320 WastemasterTM320STM420
MakeJCBJCBJCBJCB
ModelPS760 - 6 SpeedPS760 - 6 SpeedPS760 - 6 SpeedPS760 - 6 Speed
Transmission TypePowershiftPowershiftPowershiftPowershift
Max Speed - Forward24.9 mph12.5 mph24.9 mph24.9 mph
Weights
SpecificationTM320TM320 WastemasterTM320STM420
Front Axle Weight6,019 lb6,019 lb6,019 lb7,231 lb
Rear Axle Weight12,059 lb12,059 lb12,059 lb13,779 lb
Hydraulic System
SpecificationTM320TM320 WastemasterTM320STM420
Max Operating Pressure230 bar230 bar230 bar260 bar
Pump Flow Capacity37 gpm37 gpm42.3 gpm42.3 gpm
Pump TypeVariable displacement piston pumpVariable displacement piston pumpVariable displacement piston pumpVariable displacement piston pump

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