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The 310 G‑Tier is built to deliver reliable performance at a lower acquisition cost, with a simplified operator station and durable components that make it an ideal fit for rental fleets and value‑driven customers.
Powered by a dependable Yanmar® 3.3L engine, the 310 G‑Tier delivers reliable performance and fuel efficiency without the need for engine aftertreatment—helping reduce complexity, maintenance, and total cost of ownership.
A straightforward four‑speed manual transmission with synchronized gears and an easy‑to‑use forward‑neutral‑reverse lever provides smooth control, durability, and confident operation for a wide range of backhoe tasks.
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Manufacturer | Yanmar® |
Model | 4TNV98CT turbocharged |
Non-Road Emission Standards | EPA Interim Tier 4/EU Stage III B |
Cylinders | 4 |
Valves Per Cylinder | 2 |
Displacement | 203 cu in. |
Displacement | 3.33 L |
Bore and Stroke | 3.86 x 4.33 in. |
Bore and Stroke | 98.0 x 110.0 mm |
Rated Speed | 2300 rpm |
Gross Power At Rated Speed | 71 hp |
Gross Power At Rated Speed | 52.9 kW |
Peak Power Speed | 2100 rpm |
Gross Peak Power At Peak Power Speed | 72 hp |
Gross Peak Power At Peak Power Speed | 53.7 kW |
Peak Torque Speed | 1800 rpm |
Gross Peak Torque At Peak Torque Speed | 207 lb-ft |
Gross Peak Torque At Peak Torque Speed | 280.7 Nm |
Net Power At Rated Speed (ISO9249) | 68 hp |
Net Power At Rated Speed (ISO9249) | 50.7 kW |
Net Peak Power At Peak Power Speed (ISO9249) | 51.5 kW |
Net Peak Torque At Peak Torque Speed (ISO9249) | 200 lb-ft |
Net Peak Torque At Peak Torque Speed (ISO9249) | 271.2 Nm |
Net Torque Rise | 29 % |
Oil Specification | JD Torq-Gard™ or equivalent |
Lubrication | Pressure system with spin-on filter and cooler |
Fuel System | Bosch electronic fuel system with high pressure common rail |
Air Cleaner | Dual stage dry type with safety element and evacuator valve |
Fan Type | Variable rate, temperature controlled (viscous) cooling fan, standard |
Engine Coolant Rating | -40 °F |
Engine Coolant Rating | -40 ℃ |
Engine Radiator (Fins Per In.) | 10 |
Engine Oil Cooler Type | Oil-to-water |
Hydraulic Cooler Type | Oil-to-air |
Transmission Cooler Type | Oil-to-air |
Transmission Type | 4 speed manual range gear selection transmission with synchronizers; Electric clutch cutoff on loader lever and Manual range selection lever |
Number Of Gears Forward | 4 |
Number Of Gears Reverse | 4 |
Shift Control Type | Electric forward-neutral-reverse control lever with neutral start interlock |
Torque Converter Type | Single stage, dual phase with 3.01:1 stall ratio |
Torque Converter | 11.8 in. |
Torque Converter | 299.7 mm |
Conditions For Measuring Travel Speeds | Synchro-Shuttle, standard transmission; with tire size 19.5L-24 rear tires |
Gear 1, Forward Maximum Speed | 3.5 mph |
Gear 1, Forward Maximum Speed | 5.6 km/h |
Gear 1, Reverse Maximum Speed | 3.5 mph |
Gear 1, Reverse Maximum Speed | 5.6 km/h |
Gear 2, Forward Maximum Speed | 5.8 mph |
Gear 2, Forward Maximum Speed | 9.3 km/h |
Gear 2, Reverse Maximum Speed | 5.8 mph |
Gear 2, Reverse Maximum Speed | 9.3 km/h |
Gear 3, Forward Maximum Speed | 12.7 mph |
Gear 3, Forward Maximum Speed | 20.4 km/h |
Gear 3, Reverse Maximum Speed | 12.7 mph |
Gear 3, Reverse Maximum Speed | 20.4 km/h |
Gear 4, Forward Maximum Speed | 23.6 mph |
Gear 4, Forward Maximum Speed | 38 km/h |
Gear 4, Reverse Maximum Speed | 23.6 mph |
Gear 4, Reverse Maximum Speed | 38 km/h |
Axle Oscillation Stop To Stop, Front Axle | 22 degree (angle) |
Front Axle, Sae J43 Rating | 11000 lb. |
Front Axle, Sae J43 Rating | 4989.5 kg |
Front Axle, Dynamic Rating | 16500 lb. |
Front Axle, Dynamic Rating | 7484.3 kg |
Front Axle, Static Rating | 51800 lb. |
Front Axle, Static Rating | 23501.2 kg |
Front Axle, Ultimate Rating | 87100 lb. |
Front Axle, Ultimate Rating | 39506.5 kg |
Rear Axle, SAE J43 Rating | 13200 lb. |
Rear Axle, SAE J43 Rating | 5987.4 kg |
Rear Axle, Dynamic Rating | 17600 lb. |
Rear Axle, Dynamic Rating | 7983.2 kg |
Rear Axle, Static Rating | 51800 lb. |
Rear Axle, Static Rating | 23501.2 kg |
Rear Axle, Ultimate Rating | 87100 lb. |
Rear Axle, Ultimate Rating | 39506.5 kg |
Maximum Axle Torque | 33900 lb. |
Maximum Axle Torque | 15376.4 kg |
Mechanical Front Wheel Drive Axle Differential Type | Open |
Rear Axle Differential Type | Foot actuated, hydraulically engaged 100% mechanical lock |
Rear Differential Lock Pressure | 175 psi |
Rear Differential Lock Pressure | 1206.6 kPa |
Steering Type | Hydrostatic power steering and emergency steering (ISO 5010) |
Steering Pressure | 3625 psi |
Steering Pressure | 24987.5 kPa |
Maximum Steer Angle, Mechanical Front-Wheel Drive (MFWD) Axle | 55 degree (angle) |
Maximum Steer Angle, Non-Powered Front Axle | 55 degree (angle) |
Curb-Turning Radius, With Brakes, With MFWD Axle | 11, 1 ft, in. |
Curb-Turning Radius, With Brakes, With MFWD Axle | 3.38 m |
Curb-Turning Radius, With Brakes, With Non-Powered Front Axle | 11, 1 ft, in. |
Curb-Turning Radius, With Brakes, With Non-Powered Front Axle | 3.38 m |
Curb-Turning Radius, Without Brakes, With MFWD Axle | 12, 5 ft, in. |
Curb-Turning Radius, Without Brakes, With MFWD Axle | 3.78 m |
Curb-Turning Radius, Without Brakes, With Non-Powered Front Axle | 12, 6 ft, in. |
Curb-Turning Radius, Without Brakes, With Non-Powered Front Axle | 3.81 m |
Bucket Clearance Circle, With Brakes, With MFWD Axle | 31, 11 ft, in. |
Bucket Clearance Circle, With Brakes, With MFWD Axle | 9.73 m |
Bucket Clearance Circle, With Brakes, With Non-Powered Front Axle | 31, 11 ft, in. |
Bucket Clearance Circle, With Brakes, With Non-Powered Front Axle | 9.73 m |
Bucket Clearance Circle, Without Brakes, With MFWD Axle | 33, 10 ft, in. |
Bucket Clearance Circle, Without Brakes, With MFWD Axle | 10.31 m |
Bucket Clearance Circle, Without Brakes, With Non-Powered Front Axle | 33, 11 ft, in. |
Bucket Clearance Circle, Without Brakes, With Non-Powered Front Axle | 10.34 m |
Number Of Steering Wheel Turns (Lock To Lock) With MFWD Axle | 2.7 |
Number Of Steering Wheel Turns (Lock To Lock) With Non-Powered Front Axle | 3.2 |
MFWD Axle Final Drives And Gears | Heavy duty, outboard planetary final drives distribute shock loads over 3 gears |
MFWD Axle Total Ratio | 13.286:1 |
Rear Axle Final Drives And Gears | Heavy duty, outboard planetary final drives distribute shock loads over 3 gears |
Rear Axle Total Ratio | 17.077:1 |
Brakes | Conform to ISO 3450 |
Service Brakes | Power assisted, hydraulic wet disc, mounted inboard, self adjusting and self equalizing |
Service Brakes Friction Disc Area Per Side | 109100 mmByMm |
Hydraulics System Type | Open center system, axial piston pump |
Rated Rpm | 2200 rpm |
Backhoe Pump Flow | 32.8 gpm |
Backhoe Pump Flow | 124.1 L/min |
Loader Pump Flow | 30.1 gpm |
Loader Pump Flow | 113.9 L/min |
Backhoe System Relief Pressure | 3625 psi |
Backhoe System Relief Pressure | 24987.5 kPa |
Loader System Relief Pressure | 3200 psi |
Loader System Relief Pressure | 22063 kPa |
Backhoe Controls | 2-lever mechanical standard, pilot control with pattern select and manual and/or electric auxiliary functions optional |
Loader Controls | Single-lever control with electric clutch cutoff switch standard; single-lever control with electric clutch cutoff switch, electrohydraulic (EH) proportional auxiliary roller, MFWD (momentary), and transmission quick-shift optional |
Voltage | 12 V |
Number Of Batteries | 1 |
Battery Capacity (1 Battery) | 950 CCA |
Reserve Capacity (1 Battery) | 175 min. |
Alternator Rating | 130 amp |
Lighting Options | 4 halogen: 2 front, 2 rear (32,500 candlepower each); turn signals and flashers: 2 front and 2 rear; stop and taillights; and 2 rear reflectors; factory installed option for 2 LED spot lights and 2 LED flood lights in lieu of the standard halogen light package |
Operator Station Type | Canopy, isolation mounted, ROPS/FOPS, left/right access, with molded roof; optional fully enclosed cab |
Alternator, Low Voltage | Indicator light, Audible |
Service Code Indicator | Indicator light, Audible |
Engine Air Filter Restriction | Indicator light, Audible |
Engine Coolant Temperature | Indicator light, Audible, Gauge |
Engine Oil Pressure | Indicator light, Audible |
Fuel Level | Audible, Gauge, Digital |
Hydraulic Oil Filter Restriction | Audible, Digital |
Park Brake On/Off | Indicator light |
Seat Belt Reminder | Indicator light, Digital |
Stop Indicator | Indicator light, Audible |
MFWD Active | Indicator light |
Hydraulics Enabled | Indicator light |
Engine Preheat | Indicator light, Digital |
Torque Converter Oil Temp | Indicator light, Audible, Gauge, Digital |
Job Timer | Digital |
Hourmeter | Digital |
Engine Rpm | Digital |
System Voltage | Digital |
Machine Information And Configuration | Digital |
Sight Gauges | Hydraulic Reservoir |
Diagnostics | In-Cab Monitor Information |
Refill Capacity Cooling System (Cab) | 20.6 qt |
Refill Capacity Cooling System (Cab) | 19.5 L |
Refill Capacity Cooling System (Canopy) | 18.9 qt |
Refill Capacity Cooling System (Canopy) | 17.89 L |
Refill Capacity Rear Axle Differential Housing | 15.3 qt |
Refill Capacity Rear Axle Differential Housing | 14.48 L |
Refill Capacity Rear Axle Each Planetary | 1.6 qt |
Refill Capacity Rear Axle Each Planetary | 1.51 L |
Refill Capacity Engine Oil | 11.1 qt |
Refill Capacity Engine Oil | 10.5 L |
Refill Capacity Torque Converter And Transmission | 19 qt |
Refill Capacity Torque Converter And Transmission | 17.98 L |
Refill Capacity Fuel Tank | 34 gal. |
Refill Capacity Fuel Tank | 128.7 L |
Refill Capacity Hydraulic System | 33.5 gal. |
Refill Capacity Hydraulic System | 126.81 L |
Refill Capacity Hydraulic Reservoir | 11.9 gal. |
Refill Capacity Hydraulic Reservoir | 45.05 L |
Refill Capacity Mechanical Front-Wheel Drive Housing Axle | 7.9 qt |
Refill Capacity Mechanical Front-Wheel Drive Housing Axle | 7.48 L |
Refill Capacity Mechanical Front-Wheel Drive Housing Planetary Each | 0.8 qt |
Refill Capacity Mechanical Front-Wheel Drive Housing Planetary Each | 0.76 L |
Operator And Standard Equipment With Full Fuel Tank | 13822 lb. |
Operator And Standard Equipment With Full Fuel Tank | 6269.55 kg |
Standard With Bumper | 13822 lb. |
Standard With Bumper | 6269.55 kg |
Typical With Cab, Extendible Dipperstick, And 405-Lb Counterweight | 15516 lb. |
Typical With Cab, Extendible Dipperstick, And 204-Kg Counterweight | 7037.93 kg |
Cab | 580 lb. |
Cab | 263.08 kg |
Mechanical Front-Wheel Drive With Tires | 244 lb. |
Mechanical Front-Wheel Drive With Tires | 110.68 kg |
Extendable Dipperstick | 420 lb. |
Extendable Dipperstick | 190.51 kg |
Front Loader Coupler | 566 lb. |
Front Loader Coupler | 256.74 kg |
Backhoe Bucket Coupler | 130 lb. |
Backhoe Bucket Coupler | 58.97 kg |
Hydraulic Capacity Minimum Tines | 48 in. |
Hydraulic Capacity Minimum Tines | 1219.2 mm |
At Maximum Height With Minimum Tines | 3829 lb. |
At Maximum Height With Minimum Tines | 1737.14 kg |
At Maximum Reach With Minimum Tines | 5959 lb. |
At Maximum Reach With Minimum Tines | 2703.42 kg |
At Ground Line With Minimum Tines | 7603 lb. |
At Ground Line With Minimum Tines | 3448.99 kg |
Below Ground Line With Minimum Tines | 6.1 in. |
Below Ground Line With Minimum Tines | 154.94 mm |
Rated Capacity Of Minimum Tines | 8598 lb. |
Rated Capacity Of Minimum Tines | 3900.91 kg |
Hydraulic Capacity Maximum Tines | 60 in. |
Hydraulic Capacity Maximum Tines | 1524 mm |
At Maximum Height With Maximum Tines | 3563 lb. |
At Maximum Height With Maximum Tines | 1616 kg |
At Maximum Reach With Maximum Tines | 5605 lb. |
At Maximum Reach With Maximum Tines | 2542.47 kg |
At Ground Line With Maximum Tines | 7160 lb. |
At Ground Line With Maximum Tines | 3248.91 kg |
Below Ground Line With Maximum Tines | 6.1 in. |
Below Ground Line With Maximum Tines | 154.94 mm |
Rated Capacity Of Maximum Tines | 8598 lb. |
Rated Capacity Of Maximum Tines | 3900.91 kg |
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**The accuracy of this calculator and its applicability to your circumstances is not guaranteed. You should obtain personal advice from qualified professionals. This information is provided for illustrative purposes only and does not constitute an application. This notice does not guarantee loan approval, nor is it an offer or commitment to make a loan to you on the above terms.
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